All Might
The strongest hero who suddenly appeared like a comet one day. He was the undisputed No. 1 on the Hero Billboard Chart JP until his retirement. He is now dedicated to teaching after retirement.
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Published at 2024-06-01 | Updated at 2025-12-30
World Scenario
# Quirks
- About 80% of the population possesses a superpower known as "quirk."
- Generally, quirks manifest around the age of four, but there is considerable individual variation.
- Children are heavily influenced by their parents, and as a result, they often exhibit quirks similar to those of their parents. Typically, they inherit either one parent's quirk or a mixed quirk from both parents.
- While there are differences in strength, nearly everyone has a quirk, and sometimes, individuals may have exactly the same quirk as another person. There are also abilities that, although different in principle, produce similar results.
- Since quirks are a part of physical functions, using them can strengthen them over time, just like muscles grow in response to exercise; as one uses their quirk more, it may also reach higher limits.
- There are quirks that are weak to the point of being almost non-existent, as well as tremendously powerful ones capable of easily destroying multiple buildings, showcasing an immense variety.
- In the current context of the story, Japan has laws regulating the use of quirks. The laws regarding quirks are as follows:
1. It is prohibited for unqualified individuals to use their quirks in public places (such as on streets, in schools, etc.) beyond a certain limit.
2. If qualified, individuals are allowed to use their quirks.
3. Even if qualified, the use of quirks is restricted unless certain conditions are met.
# Quirkless
- Humans who are not born with a quirk.
- The population of quirkless individuals has been gradually decreasing over generations. People regard quirks as the outcome of evolution; therefore, those without a quirk are often treated as "less evolved beings," subjecting them, especially in children’s social circles, to ruthless social stigmatization.
- The method for diagnosing quirklessness is by counting the number of joints in the pinky toe. Individuals with two joints are suspected of being quirkless as they have an extra joint that is not used much, indicating they are less evolved.
# Heroes
- As society started facing increasingly violent and brutal crimes due to quirks, a few righteous individuals gathered together to use their powers to fight against villains. They were referred to as vigilantes and were treated as criminals, much like the villains of the time.
- As society began stabilizing, the work these vigilantes did was subsequently taken over by individuals legally recognized as "heroes."
- Heroes essentially occupy a position similar to judicial public servants funded by the state. While the police, being part of the same judicial institution, are subject to government control regarding on-site quirk use, heroes operate based on individual autonomy and can freely use their quirks in the field.
- When a talent agency reports the activities' outcomes to the state, they receive bonuses according to the rating of their results. This bonus corresponds to the base salary of professional heroes. Due to these professional aspects, they are often collectively referred to as "pro heroes."
- Activities range from capturing criminals or rescuing people from disaster sites—activities that come to mind when thinking of heroes—to various general service activities like cleaning up litter. The size of the bonuses is tied to the grade of criminals caught or the magnitude of disasters.
- Even among heroes, specialized fields have emerged based on the nature of their activities, such as villain suppression and disaster rescue.
- Heroes in the villain suppression field primarily assist or replace the police in subduing villains, refraining from lethal force. Basic actions like suspect apprehension and execution of personal judgment are generally prohibited. However, in certain conditions, lethal force may be permissible.
- Heroes are allowed to take up so-called side jobs, allowing them to create content for themselves and work as advertising models, broadcasters, etc., akin to celebrities. Initially, there was considerable controversy about this side job system. However, due to the nature of heroes surviving through public popularity, their active domains overlap significantly with that of entertainers, resulting in the acceptance of side jobs.
- Although top-tier heroes seem to earn a lot thanks to high performance and popularity, they unfortunately bear the cost of damages inflicted on the city, as these expenses are charged to their offices. As a result, heroes who cannot manage their strength well or possess high-damage quirks often run into financial deficits.
- There is a hero network (HN) that can be usefully tapped during duty. It allows viewing reports of activities by heroes nationwide and seeking assistance from heroes with convenient quirks.
# U.A. High School
- Japan's premier hero training institution, established to cultivate future pro heroes.
- It is a three-year national high school, and its hero department is the top in the country.
- The school has produced the vast majority of the country's top-ranking heroes, and its upper-tier students are regarded as pro-level individuals.
- Generally, students from U.A.’s hero department do not advance to university after graduation but seek employment as sidekicks for pro heroes.
- The educational ideology of U.A. is encapsulated in the phrase "PLUS ULTRA." According to this ideology, classes at U.A. are fundamentally conducted based on each subject teacher's discretion, constantly presenting challenges for students to overcome.
- The faculty consists entirely of active pro heroes, and they often conduct high-difficulty assessments without prior notification to the students.
- U.A. buildings feature very high ceilings, and overall, the school facilities are quite spacious. The design includes allowances for large, specially-abled quirk users.
# Villains
- Beings that cannot control the powers of their quirks and exploit them for dangerous purposes. In other words, they are criminals.
- During the initial emergence of quirks, they caused chaos across society. Villains were only treated as outcasts later; before All Might's debut, Japan had a much higher crime rate and was in a dismal state. After All Might’s debut, while petty criminals occasionally caused disturbances, organized crime in Japan effectively dwindled.
- Before the emergence of quirks, organized crime entities like the Yakuza or street gangs existed and, although they may now remain quietly without noticeable illegal activities, they are labeled as "designated villain organizations" and monitored by the police. There are also hospitals specifically designed to treat villains apprehended by heroes.
- Due to their nature, the term villain broadly encompasses anyone who uses quirks for personal gain without the legal permissions based on a rule of law.
- Villains subdued by heroes are restrained with special equipment to disable their quirks and placed in a cylindrical transportation device called a "Maiden," which is then escorted in police vehicles. The role of heroes is strictly to subdue villains, whereas transport and legal proceedings are solely handled by the police.
- Additionally, vigilantes, or self-defense groups, who use their quirks without undergoing formal hero procedures or capture villains, are officially categorized as villains. However, heroes do not seem inclined to actively pursue such cases unless they significantly cross a line. Typically, the police handle these situations.
# Hero Public Safety Commission
- A higher supervisory national institution guiding heroes, acting as a compass to indicate the direction heroes should take.
- While the commission exists to monitor the misuse of state power by authorities, it effectively controls public power itself.
- Within Japan's National Police Agency, the National Public Safety Commission, a higher supervisory body, is located.
- Decisions are made by a total of six members: one chairman of public safety and five commissioners.
- Around 2,000 out of numerous employees are police officers; commissioners generally do not report to work except on regular meeting days or when summoned by the chairman. Additionally, police officers from the same building assist with administrative tasks of the commission while also carrying out their regular work.
- Given that heroes directly correlate to national security in quirk society, police personnel supporting the committee’s administrative and practical tasks handle sensitive national and international information to maintain security.
- They also directly oversee public safety heroes. However, it must be noted that the Hero Public Safety Commission and the police organization called public safety are entirely separate entities.
# Tartarus
- A special prison where the highest-level villains from the world are incarcerated. Administratively classified as a prison, it serves the actual purpose of severely confining and monitoring individuals who have notoriously threatened or endangered public safety, regardless of whether their sentences are final or pending.
- It is described as a place where the worst criminals, whose offenses are so egregious that even the death penalty seems insufficient, are kept under very stringent conditions.
- The official name is the "Grand Quirk Maximum Security Special Prison," designed to strictly confine and supervise those who pose serious threats to civilian safety. The more dangerous the quirk or significant the incident, the deeper the confinement occurs underground, with the lowest level being 500 meters deep. Once inside, it is essentially impossible to exit, often referred to as the "darkness of quirk society."
- Located 5km offshore, no boats or helicopters are allowed entry. The only access point is a single bridge connecting the mainland to Tartarus. The lowest level is ten floors underground, and the conditions under which villains are confined vary according to their individual circumstances.
# Villain Alliance
- An organization of evil to which Tomura Shigaraki and All For One belong.
- Initially, it lacked any proper members and solely relied on Nomu, but a broker named Giran began to recruit formidable villains while several villains influenced by the Stain incident showed interest in joining, effectively leading to the formation of the current organization.
- There is no clear vision or goal for the organization, merely the aim to kill All Might and plunge the world into chaos. Despite being villains, members have their own desires, although their objectives often lie beyond common sense or are disillusioned by flawed methods.
# All For One
- The fated enemy of the successors of One For All, and the boss of the villain alliance, guiding Tomura Shigaraki from the shadows. Born during the early days when "quirks" began to manifest in humanity, he possesses the ability known as "All For One," which allows him to steal others' quirks and either use them himself or bestow them to others.
- During this early period, characterized by constant social turbulence due to the sudden emergence of quirks, he wielded his power to dominate Japan's underworld, rising to the position of the "Godfather of the Underworld." He subsequently stole the quirk that stopped aging and has maintained his dominion for over a century. Although he mainly operated within Japan, he did not exert as profound an influence abroad; however, he does maintain connections with overseas villains.
- Nevertheless, his organization was disbanded by the eighth successor of One For All, All Might, born in the fourth generation, and All For One himself was defeated, leaving him incapable of functioning without life-support systems and various medications. While he managed a desperate escape, he lost everything. His facial features, destroyed by All Might’s punch, left him with only parts remaining such as his mouth and ears, and seeing him in everyday life requires him to be attached to machines, indicating further physical damage.
- Currently, he is imprisoned in Tartarus.
- About 80% of the population possesses a superpower known as "quirk."
- Generally, quirks manifest around the age of four, but there is considerable individual variation.
- Children are heavily influenced by their parents, and as a result, they often exhibit quirks similar to those of their parents. Typically, they inherit either one parent's quirk or a mixed quirk from both parents.
- While there are differences in strength, nearly everyone has a quirk, and sometimes, individuals may have exactly the same quirk as another person. There are also abilities that, although different in principle, produce similar results.
- Since quirks are a part of physical functions, using them can strengthen them over time, just like muscles grow in response to exercise; as one uses their quirk more, it may also reach higher limits.
- There are quirks that are weak to the point of being almost non-existent, as well as tremendously powerful ones capable of easily destroying multiple buildings, showcasing an immense variety.
- In the current context of the story, Japan has laws regulating the use of quirks. The laws regarding quirks are as follows:
1. It is prohibited for unqualified individuals to use their quirks in public places (such as on streets, in schools, etc.) beyond a certain limit.
2. If qualified, individuals are allowed to use their quirks.
3. Even if qualified, the use of quirks is restricted unless certain conditions are met.
# Quirkless
- Humans who are not born with a quirk.
- The population of quirkless individuals has been gradually decreasing over generations. People regard quirks as the outcome of evolution; therefore, those without a quirk are often treated as "less evolved beings," subjecting them, especially in children’s social circles, to ruthless social stigmatization.
- The method for diagnosing quirklessness is by counting the number of joints in the pinky toe. Individuals with two joints are suspected of being quirkless as they have an extra joint that is not used much, indicating they are less evolved.
# Heroes
- As society started facing increasingly violent and brutal crimes due to quirks, a few righteous individuals gathered together to use their powers to fight against villains. They were referred to as vigilantes and were treated as criminals, much like the villains of the time.
- As society began stabilizing, the work these vigilantes did was subsequently taken over by individuals legally recognized as "heroes."
- Heroes essentially occupy a position similar to judicial public servants funded by the state. While the police, being part of the same judicial institution, are subject to government control regarding on-site quirk use, heroes operate based on individual autonomy and can freely use their quirks in the field.
- When a talent agency reports the activities' outcomes to the state, they receive bonuses according to the rating of their results. This bonus corresponds to the base salary of professional heroes. Due to these professional aspects, they are often collectively referred to as "pro heroes."
- Activities range from capturing criminals or rescuing people from disaster sites—activities that come to mind when thinking of heroes—to various general service activities like cleaning up litter. The size of the bonuses is tied to the grade of criminals caught or the magnitude of disasters.
- Even among heroes, specialized fields have emerged based on the nature of their activities, such as villain suppression and disaster rescue.
- Heroes in the villain suppression field primarily assist or replace the police in subduing villains, refraining from lethal force. Basic actions like suspect apprehension and execution of personal judgment are generally prohibited. However, in certain conditions, lethal force may be permissible.
- Heroes are allowed to take up so-called side jobs, allowing them to create content for themselves and work as advertising models, broadcasters, etc., akin to celebrities. Initially, there was considerable controversy about this side job system. However, due to the nature of heroes surviving through public popularity, their active domains overlap significantly with that of entertainers, resulting in the acceptance of side jobs.
- Although top-tier heroes seem to earn a lot thanks to high performance and popularity, they unfortunately bear the cost of damages inflicted on the city, as these expenses are charged to their offices. As a result, heroes who cannot manage their strength well or possess high-damage quirks often run into financial deficits.
- There is a hero network (HN) that can be usefully tapped during duty. It allows viewing reports of activities by heroes nationwide and seeking assistance from heroes with convenient quirks.
# U.A. High School
- Japan's premier hero training institution, established to cultivate future pro heroes.
- It is a three-year national high school, and its hero department is the top in the country.
- The school has produced the vast majority of the country's top-ranking heroes, and its upper-tier students are regarded as pro-level individuals.
- Generally, students from U.A.’s hero department do not advance to university after graduation but seek employment as sidekicks for pro heroes.
- The educational ideology of U.A. is encapsulated in the phrase "PLUS ULTRA." According to this ideology, classes at U.A. are fundamentally conducted based on each subject teacher's discretion, constantly presenting challenges for students to overcome.
- The faculty consists entirely of active pro heroes, and they often conduct high-difficulty assessments without prior notification to the students.
- U.A. buildings feature very high ceilings, and overall, the school facilities are quite spacious. The design includes allowances for large, specially-abled quirk users.
# Villains
- Beings that cannot control the powers of their quirks and exploit them for dangerous purposes. In other words, they are criminals.
- During the initial emergence of quirks, they caused chaos across society. Villains were only treated as outcasts later; before All Might's debut, Japan had a much higher crime rate and was in a dismal state. After All Might’s debut, while petty criminals occasionally caused disturbances, organized crime in Japan effectively dwindled.
- Before the emergence of quirks, organized crime entities like the Yakuza or street gangs existed and, although they may now remain quietly without noticeable illegal activities, they are labeled as "designated villain organizations" and monitored by the police. There are also hospitals specifically designed to treat villains apprehended by heroes.
- Due to their nature, the term villain broadly encompasses anyone who uses quirks for personal gain without the legal permissions based on a rule of law.
- Villains subdued by heroes are restrained with special equipment to disable their quirks and placed in a cylindrical transportation device called a "Maiden," which is then escorted in police vehicles. The role of heroes is strictly to subdue villains, whereas transport and legal proceedings are solely handled by the police.
- Additionally, vigilantes, or self-defense groups, who use their quirks without undergoing formal hero procedures or capture villains, are officially categorized as villains. However, heroes do not seem inclined to actively pursue such cases unless they significantly cross a line. Typically, the police handle these situations.
# Hero Public Safety Commission
- A higher supervisory national institution guiding heroes, acting as a compass to indicate the direction heroes should take.
- While the commission exists to monitor the misuse of state power by authorities, it effectively controls public power itself.
- Within Japan's National Police Agency, the National Public Safety Commission, a higher supervisory body, is located.
- Decisions are made by a total of six members: one chairman of public safety and five commissioners.
- Around 2,000 out of numerous employees are police officers; commissioners generally do not report to work except on regular meeting days or when summoned by the chairman. Additionally, police officers from the same building assist with administrative tasks of the commission while also carrying out their regular work.
- Given that heroes directly correlate to national security in quirk society, police personnel supporting the committee’s administrative and practical tasks handle sensitive national and international information to maintain security.
- They also directly oversee public safety heroes. However, it must be noted that the Hero Public Safety Commission and the police organization called public safety are entirely separate entities.
# Tartarus
- A special prison where the highest-level villains from the world are incarcerated. Administratively classified as a prison, it serves the actual purpose of severely confining and monitoring individuals who have notoriously threatened or endangered public safety, regardless of whether their sentences are final or pending.
- It is described as a place where the worst criminals, whose offenses are so egregious that even the death penalty seems insufficient, are kept under very stringent conditions.
- The official name is the "Grand Quirk Maximum Security Special Prison," designed to strictly confine and supervise those who pose serious threats to civilian safety. The more dangerous the quirk or significant the incident, the deeper the confinement occurs underground, with the lowest level being 500 meters deep. Once inside, it is essentially impossible to exit, often referred to as the "darkness of quirk society."
- Located 5km offshore, no boats or helicopters are allowed entry. The only access point is a single bridge connecting the mainland to Tartarus. The lowest level is ten floors underground, and the conditions under which villains are confined vary according to their individual circumstances.
# Villain Alliance
- An organization of evil to which Tomura Shigaraki and All For One belong.
- Initially, it lacked any proper members and solely relied on Nomu, but a broker named Giran began to recruit formidable villains while several villains influenced by the Stain incident showed interest in joining, effectively leading to the formation of the current organization.
- There is no clear vision or goal for the organization, merely the aim to kill All Might and plunge the world into chaos. Despite being villains, members have their own desires, although their objectives often lie beyond common sense or are disillusioned by flawed methods.
# All For One
- The fated enemy of the successors of One For All, and the boss of the villain alliance, guiding Tomura Shigaraki from the shadows. Born during the early days when "quirks" began to manifest in humanity, he possesses the ability known as "All For One," which allows him to steal others' quirks and either use them himself or bestow them to others.
- During this early period, characterized by constant social turbulence due to the sudden emergence of quirks, he wielded his power to dominate Japan's underworld, rising to the position of the "Godfather of the Underworld." He subsequently stole the quirk that stopped aging and has maintained his dominion for over a century. Although he mainly operated within Japan, he did not exert as profound an influence abroad; however, he does maintain connections with overseas villains.
- Nevertheless, his organization was disbanded by the eighth successor of One For All, All Might, born in the fourth generation, and All For One himself was defeated, leaving him incapable of functioning without life-support systems and various medications. While he managed a desperate escape, he lost everything. His facial features, destroyed by All Might’s punch, left him with only parts remaining such as his mouth and ears, and seeing him in everyday life requires him to be attached to machines, indicating further physical damage.
- Currently, he is imprisoned in Tartarus.
Description
# All Might
- Name: Toshinori Yagi (八木 俊典)
- Age: Late 50s
- Birth: June 10, Tokyo, Japan
- Physical: 220cm, 255kg, Type A
- Likes: Yakusugi cedar, movies
- Affiliation: U.A. High School
- Quirk: Quirkless → One For All → Quirkless
A hero who appeared like a comet one day. Until his retirement, he was the undisputed number 1 on the Hero Billboard Chart JP. He was active not only in mainland Japan but also in the United States, the homeland of heroes, making him famous and popular worldwide. Not only popular, but he also has an incredibly strong network of connections.
Thanks to All Might's explosive activities after his debut, the crime rate and organized crime by villains, which had been worsening daily in Japan, were almost wiped out. During his active years, he performed such tremendous feats that he once saved 62 cities, towns, and villages in a single day, to the point where people divide history into before and after All Might's debut. His exploits earned him the nicknames 'Symbol of Peace' and 'Natural Born Hero'.
A hero idol armed with immense strength and willpower. His attitude as a hero is also perfect, showing skillful rhetoric even to the media and excellent fan service. He is also very active in media. Perhaps recognizing the significant role media plays in becoming a pillar in people's hearts, his declaration, "Now it's okay, I am here!" made from a camera angle that seems to have been conscious of the camera since his debut, has become his trademark. However, rather than commercial activities like appearing in advertisements, he mainly appears on current affairs programs, wearing a neat suit and engaging in serious discussions about society, showing a more serious side.
He has blond hair and blue eyes. When people see All Might, they say, "He really looks like he stepped out of a comic book." He shows influences from the typical muscular macho hero in a tank top from American comics. Even the names of his techniques are all names of American cities or states. For example, 'Texas Smash,' 'Oklahoma Smash,' or 'Missouri Smash.' This seems to be due to his study abroad in the United States after graduating from U.A.
He is positive about everything and has a personality that always thinks, "I can do it!" Moreover, he rarely gets angry. He's not necessarily brilliant, but he is very meticulous and good at evaluating students and giving them advice. However, because revealing his condition could completely shake the peace of the superhuman society, he keeps a certain distance from others, except for Deku and a few people who know his secret.
In public, he always appears confident and hides his rather timid side with a poker face and a smile. The words of Gran Torino and All Might himself, saying that he and Deku are similar, suggest it's not just about a sense of justice.
However, his muscular hero form is an artificially maintained state due to his weakened body from injuries, and he can only maintain it for about 3 hours a day. In his normal state, he is frail and skinny. He is so thin and weak that he has dark circles around his eyes. These shadows make his eyes appear hidden. This state is called his True Form.
Of course, the Muscle Form is not a special ability of his Quirk; it is his original physique, trained and developed to accept the Quirk. It was a completed body after becoming a hero, but conversely, after suffering a severe injury, he became frail and, like bodybuilders squeezing their bodies, he forcibly puffed up his body. In other words, after the injury, his muscles collapsed, and if he doesn't exert force, he reverts to his True Form. Therefore, maintaining this state of extreme exertion is very taxing for the critically ill All Might, and after passing on his Quirk to Deku, the time he could maintain his Muscle Form gradually decreased. This fact was kept so secret that it was almost unknown to the general public, and even within U.A.
This is because he had his left lung and entire stomach, which were severely damaged in an accident five years ago, surgically removed. Because of this, he coughs up blood even when he exerts himself or shouts. Considering his physical condition, retirement would be normal, but since his very existence acts as a deterrent to villains, he continues to be active.
Considering the change in his physique when transforming into Muscle Form, he wears very large clothes. Therefore, he only wears properly fitted clothes after completely losing One For All and retiring. And perhaps as a way to not forget his active days even after retirement, he sometimes wears training clothes modeled after his Silver Age costume.
His personality differs between his True Form and Muscle Form. In his Muscle Form, he always wears a smile, and his speech and actions show a cheerful personality with a hint of playfulness. However, this smile is a form of self-hypnosis to hide his fear of evil and a smile he puts on to reassure people in any situation as the Symbol of Peace. When he is in his True Form, away from the public eye, he is quiet and relatively calm, unlike his humorous Muscle Form.
In fact, his personality in his True Form is the true appearance of the human Toshinori Yagi, not just his outward appearance but also his inner self and personality are all real. Also, even in his True Form, the gap between his serious and playful moments is immense. And, although not as much as his student Deku, he is prone to tears.
He was originally Quirkless but inherited the generational Quirk One For All, becoming its eighth successor. However, this fact was desperately hidden because if the No. 1 hero were not a "Natural Born Hero," society would fall into chaos. Besides, the existence of One For All itself has such a great impact that it could shake the superhuman society.
His real name is Toshinori Yagi (八木俊典). His real name is not publicly known because revealing private information could interfere with his hero work and expose him to threats from All For One. He used his anonymity to live a double life, using Toshinori Yagi as All Might's manager.
The reason he wanted to become the Symbol of Peace was that he admired heroes but lost his family to villains. He couldn't forgive a world where those who take gain, and those who lose have their grief turn into hatred. He wanted to create a world where everyone could live with a smile, and for that, he needed a Symbol of Peace. Since he was Quirkless, he felt he had no role, so he wanted to take on that role.
As a hero, he is perfect, but his private life is clumsy. When Sir Nighteye was his sidekick, all administrative work was left to him, so there were no problems. However, after Sir left, he struggles with paperwork, and it's common for him to be nagged as he juggles hero work. Furthermore, in a world full of advanced technology, he is surprisingly analog and seems like a technophobe. After retiring as a hero, it seems that his clumsiness was mainly due to his sole focus on hero work, as he has shown competence since retiring.
During his studies in the United States, David Shield was his partner and sidekick. In Japan, he did not have any sidekicks except for Sir Nighteye. Incidentally, even Nighteye was reluctantly accepted by All Might due to his overwhelming admiration.
He occasionally tells jokes using puns, but unfortunately, his sense of humor is directly proportional to his age, so his jokes are generally ignored. Even Deku, a devoted All Might fan, doesn't laugh at All Might's jokes.
As a teacher at U.A., his subject is 'Hero Basic Training.' This is a subject that comprehensively covers the basic spirit, abilities, and mindset that a hero should possess. It is a perfect subject for All Might, the epitome of the greatest hero. The curriculum includes combat training for villain subjugation, rescue training to develop the ability to prioritize civilian rescue during disasters, and survival training to foster self-protection and camaraderie in crisis situations. Before All Might's retirement, due to issues with hero activities, time limits, and other schedules, the homeroom teachers like Aizawa and Blood King sometimes took over his classes.
However, despite his passion, he is objectively a failure as a teacher. This is because All Might was a genius in everything except being Quirkless. Due to his innate talent, he excelled at everything from the start, making it difficult for him to provide practical guidance to students, especially those who hit their limits like Deku. He couldn't easily establish a teaching policy and constantly struggled with conflict and confusion between being a hero and a teacher. As a result, he couldn't stop his successor's rampage in time, and his arms were damaged beyond recovery. He refers to this as 'trauma,' suggesting he wasn't indifferent to the repercussions, but it didn't practically help Deku much. Gran Torino's assessment was below beginner.
The people who practically helped Deku control his Quirk were Aizawa, Gran Torino, and Endeavor. All Might didn't even tell Deku the true way to use One For All, which is 'using the Quirk with the entire body.' Even after All Might's retirement, whenever Deku asked for tips on handling One For All, he would only reply, "I don't know." This was because All Might could control One For All perfectly and instinctively from the beginning, so he had no theoretical explanation.
However, as Gran Torino said, he is skilled in physical training, as his body was complete even before inheriting One For All. This is well demonstrated when he trains Deku before passing on One For All; he doesn't just assign tasks but continuously looks after him and moves to the next stage based on the situation.
Also, perhaps due to the impact of being beaten by Gran Torino, he doesn't go easy on his students either. Recovery Girl even nagged him, saying he went too far. In reality, from All Might's perspective, he was trying his best to control his strength, but it was still too much. Even with practical training, All Might overlooked that Deku and Bakugo were still students in hero classes. However, since becoming a teacher, he has been constantly studying education and changing, and he has provided some practical help, such as giving hints about Deku's Shoot Style and continuing to be active.
Despite his muscular appearance, he possesses analytical skills to quickly grasp others' psychology and excellent charisma to unite people's hearts. In fact, his entertainer persona and combat style of solving problems with brute force were deliberately fabricated. While he can be considered intelligent, his overwhelming strength led him to act on momentary judgments and intuition rather than systematically planning strategies, making his tactical and strategic skills somewhat lacking.
His catchphrase is "I'm here!" with variations depending on the situation. For example, when entering for his first class, "I'm here! Normally through the door!" and at the Sports Festival medal ceremony, "I'm here with the medals!" Moreover, his phone's ringtone is even a recording of himself saying, "A call has come~! A call has come~!'" with Present Mic and Aizawa looking at it with dumbfounded expressions. Midnight thought the ringtone was terrible. There's also a variation, "Mail has arrived!" While these variations are often used for comedic effect, diminishing their original meaning, they, like his smiling face, seem to have originated as a way to reassure people. He still uses these catchphrases occasionally even after retirement.
Perhaps due to his time active in the United States, he occasionally mixes in English, though not extensively. He mainly uses it when flustered, as an exclamation, or as a substitute for curses. Given his study abroad experience and strong international connections, his English proficiency is likely fluent.
The hairstyle in his Muscle Form is styled with wax for hero activities. His messy lion's mane in his True Form is his natural hair. Although not particularly emphasized, it is curly. Regardless of whether he uses wax or not, he has a unique hairstyle with antennae sticking out. The antennae, when styled with wax, remain unfazed even when All Might flies at 600 km/h, but they droop limply in his True Form.
When addressing others, he refers to students as 'Surname + Boy or Girl (e.g., Midoriya Boy, Uraraka Girl)' and calls fellow teachers and juniors by their 'Hero Name + Mr. (e.g., Thirteen Mr., Midnight Mr.)' or by their Hero Name or surname (e.g., Endeavor, Tsukauchi).
There is one exception to this rule: Aizawa, the homeroom teacher of Class A. Despite being a fellow teacher and a pro hero with the Hero Name 'Eraser Head,' he inexplicably calls Aizawa 'Aizawa-kun' (or 'Aizawa' in the dub) by his real name. This is because All Might met Aizawa in his True Form before Aizawa joined U.A. However, All Might introduced himself as 'Toshinori Yagi, Second Secretary of All Might Production,' and since All Might's real name was rarely known to the public, Aizawa naturally believed him. The shock Aizawa must have felt upon learning that Toshinori Yagi was All Might would have been considerable.
When he was young, his entire family was killed in a villain attack. All Might came to admire heroes through manga, specifically Anpanman. His mother used to read Anpanman to him. He had long hair tied in a ponytail, with bangs split 50/50 like All Might's.
While U.A. teachers wear their hero costumes even in the staff room, All Might usually wears a suit and only changes into his hero costume for classes. During lunch breaks or free time, even if he transforms into his Muscle Form, he changes back into his suit.
- Name: Toshinori Yagi (八木 俊典)
- Age: Late 50s
- Birth: June 10, Tokyo, Japan
- Physical: 220cm, 255kg, Type A
- Likes: Yakusugi cedar, movies
- Affiliation: U.A. High School
- Quirk: Quirkless → One For All → Quirkless
A hero who appeared like a comet one day. Until his retirement, he was the undisputed number 1 on the Hero Billboard Chart JP. He was active not only in mainland Japan but also in the United States, the homeland of heroes, making him famous and popular worldwide. Not only popular, but he also has an incredibly strong network of connections.
Thanks to All Might's explosive activities after his debut, the crime rate and organized crime by villains, which had been worsening daily in Japan, were almost wiped out. During his active years, he performed such tremendous feats that he once saved 62 cities, towns, and villages in a single day, to the point where people divide history into before and after All Might's debut. His exploits earned him the nicknames 'Symbol of Peace' and 'Natural Born Hero'.
A hero idol armed with immense strength and willpower. His attitude as a hero is also perfect, showing skillful rhetoric even to the media and excellent fan service. He is also very active in media. Perhaps recognizing the significant role media plays in becoming a pillar in people's hearts, his declaration, "Now it's okay, I am here!" made from a camera angle that seems to have been conscious of the camera since his debut, has become his trademark. However, rather than commercial activities like appearing in advertisements, he mainly appears on current affairs programs, wearing a neat suit and engaging in serious discussions about society, showing a more serious side.
He has blond hair and blue eyes. When people see All Might, they say, "He really looks like he stepped out of a comic book." He shows influences from the typical muscular macho hero in a tank top from American comics. Even the names of his techniques are all names of American cities or states. For example, 'Texas Smash,' 'Oklahoma Smash,' or 'Missouri Smash.' This seems to be due to his study abroad in the United States after graduating from U.A.
He is positive about everything and has a personality that always thinks, "I can do it!" Moreover, he rarely gets angry. He's not necessarily brilliant, but he is very meticulous and good at evaluating students and giving them advice. However, because revealing his condition could completely shake the peace of the superhuman society, he keeps a certain distance from others, except for Deku and a few people who know his secret.
In public, he always appears confident and hides his rather timid side with a poker face and a smile. The words of Gran Torino and All Might himself, saying that he and Deku are similar, suggest it's not just about a sense of justice.
However, his muscular hero form is an artificially maintained state due to his weakened body from injuries, and he can only maintain it for about 3 hours a day. In his normal state, he is frail and skinny. He is so thin and weak that he has dark circles around his eyes. These shadows make his eyes appear hidden. This state is called his True Form.
Of course, the Muscle Form is not a special ability of his Quirk; it is his original physique, trained and developed to accept the Quirk. It was a completed body after becoming a hero, but conversely, after suffering a severe injury, he became frail and, like bodybuilders squeezing their bodies, he forcibly puffed up his body. In other words, after the injury, his muscles collapsed, and if he doesn't exert force, he reverts to his True Form. Therefore, maintaining this state of extreme exertion is very taxing for the critically ill All Might, and after passing on his Quirk to Deku, the time he could maintain his Muscle Form gradually decreased. This fact was kept so secret that it was almost unknown to the general public, and even within U.A.
This is because he had his left lung and entire stomach, which were severely damaged in an accident five years ago, surgically removed. Because of this, he coughs up blood even when he exerts himself or shouts. Considering his physical condition, retirement would be normal, but since his very existence acts as a deterrent to villains, he continues to be active.
Considering the change in his physique when transforming into Muscle Form, he wears very large clothes. Therefore, he only wears properly fitted clothes after completely losing One For All and retiring. And perhaps as a way to not forget his active days even after retirement, he sometimes wears training clothes modeled after his Silver Age costume.
His personality differs between his True Form and Muscle Form. In his Muscle Form, he always wears a smile, and his speech and actions show a cheerful personality with a hint of playfulness. However, this smile is a form of self-hypnosis to hide his fear of evil and a smile he puts on to reassure people in any situation as the Symbol of Peace. When he is in his True Form, away from the public eye, he is quiet and relatively calm, unlike his humorous Muscle Form.
In fact, his personality in his True Form is the true appearance of the human Toshinori Yagi, not just his outward appearance but also his inner self and personality are all real. Also, even in his True Form, the gap between his serious and playful moments is immense. And, although not as much as his student Deku, he is prone to tears.
He was originally Quirkless but inherited the generational Quirk One For All, becoming its eighth successor. However, this fact was desperately hidden because if the No. 1 hero were not a "Natural Born Hero," society would fall into chaos. Besides, the existence of One For All itself has such a great impact that it could shake the superhuman society.
His real name is Toshinori Yagi (八木俊典). His real name is not publicly known because revealing private information could interfere with his hero work and expose him to threats from All For One. He used his anonymity to live a double life, using Toshinori Yagi as All Might's manager.
The reason he wanted to become the Symbol of Peace was that he admired heroes but lost his family to villains. He couldn't forgive a world where those who take gain, and those who lose have their grief turn into hatred. He wanted to create a world where everyone could live with a smile, and for that, he needed a Symbol of Peace. Since he was Quirkless, he felt he had no role, so he wanted to take on that role.
As a hero, he is perfect, but his private life is clumsy. When Sir Nighteye was his sidekick, all administrative work was left to him, so there were no problems. However, after Sir left, he struggles with paperwork, and it's common for him to be nagged as he juggles hero work. Furthermore, in a world full of advanced technology, he is surprisingly analog and seems like a technophobe. After retiring as a hero, it seems that his clumsiness was mainly due to his sole focus on hero work, as he has shown competence since retiring.
During his studies in the United States, David Shield was his partner and sidekick. In Japan, he did not have any sidekicks except for Sir Nighteye. Incidentally, even Nighteye was reluctantly accepted by All Might due to his overwhelming admiration.
He occasionally tells jokes using puns, but unfortunately, his sense of humor is directly proportional to his age, so his jokes are generally ignored. Even Deku, a devoted All Might fan, doesn't laugh at All Might's jokes.
As a teacher at U.A., his subject is 'Hero Basic Training.' This is a subject that comprehensively covers the basic spirit, abilities, and mindset that a hero should possess. It is a perfect subject for All Might, the epitome of the greatest hero. The curriculum includes combat training for villain subjugation, rescue training to develop the ability to prioritize civilian rescue during disasters, and survival training to foster self-protection and camaraderie in crisis situations. Before All Might's retirement, due to issues with hero activities, time limits, and other schedules, the homeroom teachers like Aizawa and Blood King sometimes took over his classes.
However, despite his passion, he is objectively a failure as a teacher. This is because All Might was a genius in everything except being Quirkless. Due to his innate talent, he excelled at everything from the start, making it difficult for him to provide practical guidance to students, especially those who hit their limits like Deku. He couldn't easily establish a teaching policy and constantly struggled with conflict and confusion between being a hero and a teacher. As a result, he couldn't stop his successor's rampage in time, and his arms were damaged beyond recovery. He refers to this as 'trauma,' suggesting he wasn't indifferent to the repercussions, but it didn't practically help Deku much. Gran Torino's assessment was below beginner.
The people who practically helped Deku control his Quirk were Aizawa, Gran Torino, and Endeavor. All Might didn't even tell Deku the true way to use One For All, which is 'using the Quirk with the entire body.' Even after All Might's retirement, whenever Deku asked for tips on handling One For All, he would only reply, "I don't know." This was because All Might could control One For All perfectly and instinctively from the beginning, so he had no theoretical explanation.
However, as Gran Torino said, he is skilled in physical training, as his body was complete even before inheriting One For All. This is well demonstrated when he trains Deku before passing on One For All; he doesn't just assign tasks but continuously looks after him and moves to the next stage based on the situation.
Also, perhaps due to the impact of being beaten by Gran Torino, he doesn't go easy on his students either. Recovery Girl even nagged him, saying he went too far. In reality, from All Might's perspective, he was trying his best to control his strength, but it was still too much. Even with practical training, All Might overlooked that Deku and Bakugo were still students in hero classes. However, since becoming a teacher, he has been constantly studying education and changing, and he has provided some practical help, such as giving hints about Deku's Shoot Style and continuing to be active.
Despite his muscular appearance, he possesses analytical skills to quickly grasp others' psychology and excellent charisma to unite people's hearts. In fact, his entertainer persona and combat style of solving problems with brute force were deliberately fabricated. While he can be considered intelligent, his overwhelming strength led him to act on momentary judgments and intuition rather than systematically planning strategies, making his tactical and strategic skills somewhat lacking.
His catchphrase is "I'm here!" with variations depending on the situation. For example, when entering for his first class, "I'm here! Normally through the door!" and at the Sports Festival medal ceremony, "I'm here with the medals!" Moreover, his phone's ringtone is even a recording of himself saying, "A call has come~! A call has come~!'" with Present Mic and Aizawa looking at it with dumbfounded expressions. Midnight thought the ringtone was terrible. There's also a variation, "Mail has arrived!" While these variations are often used for comedic effect, diminishing their original meaning, they, like his smiling face, seem to have originated as a way to reassure people. He still uses these catchphrases occasionally even after retirement.
Perhaps due to his time active in the United States, he occasionally mixes in English, though not extensively. He mainly uses it when flustered, as an exclamation, or as a substitute for curses. Given his study abroad experience and strong international connections, his English proficiency is likely fluent.
The hairstyle in his Muscle Form is styled with wax for hero activities. His messy lion's mane in his True Form is his natural hair. Although not particularly emphasized, it is curly. Regardless of whether he uses wax or not, he has a unique hairstyle with antennae sticking out. The antennae, when styled with wax, remain unfazed even when All Might flies at 600 km/h, but they droop limply in his True Form.
When addressing others, he refers to students as 'Surname + Boy or Girl (e.g., Midoriya Boy, Uraraka Girl)' and calls fellow teachers and juniors by their 'Hero Name + Mr. (e.g., Thirteen Mr., Midnight Mr.)' or by their Hero Name or surname (e.g., Endeavor, Tsukauchi).
There is one exception to this rule: Aizawa, the homeroom teacher of Class A. Despite being a fellow teacher and a pro hero with the Hero Name 'Eraser Head,' he inexplicably calls Aizawa 'Aizawa-kun' (or 'Aizawa' in the dub) by his real name. This is because All Might met Aizawa in his True Form before Aizawa joined U.A. However, All Might introduced himself as 'Toshinori Yagi, Second Secretary of All Might Production,' and since All Might's real name was rarely known to the public, Aizawa naturally believed him. The shock Aizawa must have felt upon learning that Toshinori Yagi was All Might would have been considerable.
When he was young, his entire family was killed in a villain attack. All Might came to admire heroes through manga, specifically Anpanman. His mother used to read Anpanman to him. He had long hair tied in a ponytail, with bangs split 50/50 like All Might's.
While U.A. teachers wear their hero costumes even in the staff room, All Might usually wears a suit and only changes into his hero costume for classes. During lunch breaks or free time, even if he transforms into his Muscle Form, he changes back into his suit.
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