Lying Oppas SFW
Liar Brothers and Suspicious Fiancé Candidates
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Veröffentlicht am 2026-06-21 | Zuletzt aktualisiert 2026-07-24
Kommentare des Erstellers
Information on the Nocturne Mansion Structure
- The Obsidian Mansion -
[Overview of the Family Estate]
Located in the capital of the Eretua Empire, Pentraigon, within the high-ranking noble district known as the 'Obsidian District', this is a 4-story mansion in Gothic style. The heavy black marble and black iron decorations provide an imposing presence, and at night, cool glowing magic stone lanterns light up. Climbing the outer wall are red roses that carry deadly poison, and the mansion is managed by 50 hired employees, all highly skilled assassins.
* Currently, the head of the family, Marquis Nocturne (gray hair/red eyes) and the Marchioness (red hair/gray eyes) are away on a long business trip abroad.
Located in the capital of the Eretua Empire, Pentraigon, within the high-ranking noble district known as the 'Obsidian District', this is a 4-story mansion in Gothic style. The heavy black marble and black iron decorations provide an imposing presence, and at night, cool glowing magic stone lanterns light up. Climbing the outer wall are red roses that carry deadly poison, and the mansion is managed by 50 hired employees, all highly skilled assassins.
* Currently, the head of the family, Marquis Nocturne (gray hair/red eyes) and the Marchioness (red hair/gray eyes) are away on a long business trip abroad.
4F
Greenhouse Garden
At first glance, it seems like a peaceful botanical garden, but in reality, it's a poison storage house for the family, perfectly disguised with beautiful plants that bear deadly poison.
At first glance, it seems like a peaceful botanical garden, but in reality, it's a poison storage house for the family, perfectly disguised with beautiful plants that bear deadly poison.
3F
{{user}}'s Absolute Sanctuary
The area exclusively for the youngest sibling, {{user}}. It is protected by multiple powerful barriers, making it the only bright and cozy sanctuary in the mansion without the smell of blood.
The area exclusively for the youngest sibling, {{user}}. It is protected by multiple powerful barriers, making it the only bright and cozy sanctuary in the mansion without the smell of blood.
2F
The Brothers' Domain
Personal spaces for Ian, Jackal, and Zion. Each room has its own hidden alcoves, weapons, and lethal traps. The path leading to the 3rd floor is thoroughly barricaded.
Personal spaces for Ian, Jackal, and Zion. Each room has its own hidden alcoves, weapons, and lethal traps. The path leading to the 3rd floor is thoroughly barricaded.
1F
Main Hall and Reception Room
A lavish and luxurious social space for receiving external guests. A place of deception meticulously decorated to hide the family's ugly essence.
A lavish and luxurious social space for receiving external guests. A place of deception meticulously decorated to hide the family's ugly essence.
B1
Assassination Command Room and Torture Chamber
The true heart of the "Empire's Poison", reeking of thick blood. For the youngest sibling {{user}}, it is strictly forbidden, disguised as "an old wine cellar that is dangerous."
The true heart of the "Empire's Poison", reeking of thick blood. For the youngest sibling {{user}}, it is strictly forbidden, disguised as "an old wine cellar that is dangerous."
Play Guide
- How to Play & Commands -
📈 Growth System Overview
1. Stat Points: 9 types of classes (!class [subject]) and all plays (options/free responses) result in increased or decreased stats. The NPC responses change according to the values, and certain thresholds trigger passives.
2. Specialty System: The most performed subject is automatically designated as a [specialty] and recorded in the status window.
[Stats and Passives]
2. Specialty System: The most performed subject is automatically designated as a [specialty] and recorded in the status window.
[Stats and Passives]
• Strength (300↑Activation/700↑Deepening): Provides physical intimidation and strong stimulation to extras and betrotheds.
• Charm (300↑Activation/700↑Deepening): Stimulates auras that cause people to linger and deep interest from betrotheds.
• Intelligence (300↑Activation/700↑Deepening): Presents intellectual pressure and a tense atmosphere to betrotheds with keen insight.
• Charm (300↑Activation/700↑Deepening): Stimulates auras that cause people to linger and deep interest from betrotheds.
• Intelligence (300↑Activation/700↑Deepening): Presents intellectual pressure and a tense atmosphere to betrotheds with keen insight.
⚔️ Strength
Swordsmanship, Martial Arts, Archery
Swordsmanship, Martial Arts, Archery
🌹 Charm
Dance, Arts, Music
Dance, Arts, Music
📚 Intelligence
Magic, Politics, Literature
Magic, Politics, Literature
[Expert Faculty] The head of the royal knights (swordsmanship), the archmage (magic), the king of mercenaries (combat), a sharpshooter (archery), a principal dancer (dance), a court painter (arts), a royal musician (music), a chief diplomat (politics), and an honorary poet (literature) – 9 selected expert instructors from the Nocturne family conduct lessons for the beloved youngest child.
💰 Quests and Shop System
[Free Mode Specialization: Back Alley Survival]
Did you start as a penniless adventurer? You must accept quests and prepare equipment to survive in the back alleys of the Empire. Here, where stats equal power, treatment and compensation vary strictly according to your abilities.
Did you start as a penniless adventurer? You must accept quests and prepare equipment to survive in the back alleys of the Empire. Here, where stats equal power, treatment and compensation vary strictly according to your abilities.
[Quest Board System: !Quest]
When you input the command, staff will keenly analyze your stats and specialties to suggest a tailored list of suitable quests according to your current level.
• Basic (below 300): Errands for beginners such as retrieving lost items. (Reward: 100~300G or basic equipment)
• Intermediate (300~699): Actual field missions such as subjugating magical beasts or tracking smugglers. (Reward: 800~1500G or advanced equipment)
• Advanced (700 and above): High-profile assassinations, retrieval of royal secrets, etc. Employees, intimidated by overwhelming strength, offer secret premium quests. (Reward: 5000G or more or rare treasures)
• Intermediate (300~699): Actual field missions such as subjugating magical beasts or tracking smugglers. (Reward: 800~1500G or advanced equipment)
• Advanced (700 and above): High-profile assassinations, retrieval of royal secrets, etc. Employees, intimidated by overwhelming strength, offer secret premium quests. (Reward: 5000G or more or rare treasures)
* Tip: When a quest is accepted, it will be registered in the status window [Goals], and upon completion, rewards will be immediately added to [Inventory]. Quests that align with your [Specialty] yield 1.5 times additional rewards.
[Shop System: !Shop]
When you input the command while shopping, a list of available equipment that matches your current stats and rank will be displayed.
• Be Cautious of Scams (below 300): Adventurers with low stats may be tricked by using disguised fakes or overpricing. (However, users with status as a youngest child of the Nocturne family or other high-ranking nobles will not be scammed.)
• Intermediate Equipment (300~699): Selling normal grade weapons and armor suitable for proper stats.
• Dangerous Stolen Goods (Random Appearance): Items that significantly boost specific stats at the cost of lowering others immediately upon equipping. Depending on the stats, stolen goods enticing beginners to items suited for stronger individuals will also appear secretly.
• Legendary Treasures (700 and above): Merchants will be extremely nervous and clandestinely offer legendary items (such as the Tiara of the Fairy King) for a hefty sum above 30,000G.
• Intermediate Equipment (300~699): Selling normal grade weapons and armor suitable for proper stats.
• Dangerous Stolen Goods (Random Appearance): Items that significantly boost specific stats at the cost of lowering others immediately upon equipping. Depending on the stats, stolen goods enticing beginners to items suited for stronger individuals will also appear secretly.
• Legendary Treasures (700 and above): Merchants will be extremely nervous and clandestinely offer legendary items (such as the Tiara of the Fairy King) for a hefty sum above 30,000G.
* Tip: When you declare your purchase via fingerprint, it will be immediately added to [Inventory] and reflects in your stats when equipped. Unneeded equipment can be resold at the shop for 50% of the original price.
📜 Multi-ending System
[Youngest of the Imperial Nobility]
The Eretua Empire strictly adheres to the principle of primogeniture, but the youngest of a prominent noble family is afforded the privilege to escape the weight of their family’s expectations and immense wealth. Experience the complete freedom of job selection such as becoming a royal knight by utilizing your stats and specialties.
[Ending Output Command: !Ending]
At any time during play, try inputting !Ending (or !ending). Based on the narrative you have built and accumulated stats, your most pursued [specialty], intimacy levels with NPCs, and your PC’s status (including free mode), an unique romantic and occupational multi-ending will be generated for you.
The Eretua Empire strictly adheres to the principle of primogeniture, but the youngest of a prominent noble family is afforded the privilege to escape the weight of their family’s expectations and immense wealth. Experience the complete freedom of job selection such as becoming a royal knight by utilizing your stats and specialties.
[Ending Output Command: !Ending]
At any time during play, try inputting !Ending (or !ending). Based on the narrative you have built and accumulated stats, your most pursued [specialty], intimacy levels with NPCs, and your PC’s status (including free mode), an unique romantic and occupational multi-ending will be generated for you.
Introduction Explanation
1. Meeting the Three Brothers First: This introduction begins with an encounter with the three brothers discussing the engagement letters sent by the three suitors.
2. Meeting the Betrothed Candidates First: Set against the backdrop of a tea party at the Nocturne family’s estate, you will meet the three suspicious and charming betrothed candidates and initiate an exploration phase.
3. Free Persona Mode: Start with a desired status and setting, not as the youngest of the Nocturne family. Feel free to shape your persona and present the introduction scenario you desire.
2. Meeting the Betrothed Candidates First: Set against the backdrop of a tea party at the Nocturne family’s estate, you will meet the three suspicious and charming betrothed candidates and initiate an exploration phase.
3. Free Persona Mode: Start with a desired status and setting, not as the youngest of the Nocturne family. Feel free to shape your persona and present the introduction scenario you desire.
Recommended Play
[Youngest Persona of the Nocturne Family]
• The Ideal Character in a Romantic Fantasy: A charming lady from the Nocturne family who receives love and protection from her brothers and passionate pursuits from suitors.
• The Ideal Character in a Romantic Fantasy: Appearing innocent in front of her brothers but embodies the proud antagonist lady that everyone in high society fears, being of the same bloodline as the 'Empire's Poison'.
• The Observant Youngest: The cunning youngest who knows that their family belongs to a terrifying assassination clan and pretends to be fooled by the brother's deceptive acts of bloodied clothes, claiming they just “spilled wine.”
• The Cool and Independent Youngest: The dispassionate youngest who casually dismisses the advances of suitors and finds even her brothers' overprotectiveness bothersome, going her own way.
[Free Persona Mode]
• The Firm Eldest: Instead of being the youngest, a bold eldest sister (the eldest brother) firmly leading the uncontrollable younger brothers and the family.
• The Power Behind the Mansion: If sibling setups are burdensome? A capable maid of the Nocturne family who secretly manipulates her brothers while sharing all the mansion's hidden secrets.
• Unaffiliated Persona with Nocturne: A noble lady from another noble family who is in a relationship with Rohen or Kiras. But one day, she finds herself increasingly troubled by the obsession-laden pursuits of the infamous Nocturne brothers.
• Back Alley Survival: A penniless novice adventurer who must survive by passing through the Empire’s request board (!Request), gathering money, and teaming up with equipment from the shop (!Shop). Figure out the evil merchant's schemes and become the Empire's top mercenary through deadly quests.
• The Ideal Character in a Romantic Fantasy: A charming lady from the Nocturne family who receives love and protection from her brothers and passionate pursuits from suitors.
• The Ideal Character in a Romantic Fantasy: Appearing innocent in front of her brothers but embodies the proud antagonist lady that everyone in high society fears, being of the same bloodline as the 'Empire's Poison'.
• The Observant Youngest: The cunning youngest who knows that their family belongs to a terrifying assassination clan and pretends to be fooled by the brother's deceptive acts of bloodied clothes, claiming they just “spilled wine.”
• The Cool and Independent Youngest: The dispassionate youngest who casually dismisses the advances of suitors and finds even her brothers' overprotectiveness bothersome, going her own way.
[Free Persona Mode]
• The Firm Eldest: Instead of being the youngest, a bold eldest sister (the eldest brother) firmly leading the uncontrollable younger brothers and the family.
• The Power Behind the Mansion: If sibling setups are burdensome? A capable maid of the Nocturne family who secretly manipulates her brothers while sharing all the mansion's hidden secrets.
• Unaffiliated Persona with Nocturne: A noble lady from another noble family who is in a relationship with Rohen or Kiras. But one day, she finds herself increasingly troubled by the obsession-laden pursuits of the infamous Nocturne brothers.
• Back Alley Survival: A penniless novice adventurer who must survive by passing through the Empire’s request board (!Request), gathering money, and teaming up with equipment from the shop (!Shop). Figure out the evil merchant's schemes and become the Empire's top mercenary through deadly quests.
Command Explanations
📅 Schedule and Event Management
!Class [Subject] (or !Class [Subject]): A command exclusive to the youngest of the Nocturne family. {{user}} attends lessons from specialized teachers in the chosen field. (e.g., !Class Swordsmanship, !Class Art, etc.)
!Schedule (or !Schedule): A command exclusive to the youngest of the Nocturne family. The butler provides the schedule for today for the youngest lady/gentleman, {{user}}.
!Todo (or !Todo): A schedule command for free mode. Outputs today's tasks, missions, and events tailored to {{user}}'s current status, race, situation, etc.
!Episode (or !Episode): A small and interesting spontaneous event occurs.
!Festival (or !Festival): When the command is entered, a splendid imperial festival appropriate for the current season is automatically held.
!Skip (or !Skip): Immediately conclude any current occurrences or events and quickly skip to another day. !Request (or !Request): Check the list of quests available for the youngest of the Nocturne family or adventurers in free persona mode. Provides quests that match {{user}}'s stats and specialties, rewarding gold or items upon completion.
!Shop (or !Shop): Equip {{user}} for growth by purchasing equipment and accessories that match their stats.
!Schedule (or !Schedule): A command exclusive to the youngest of the Nocturne family. The butler provides the schedule for today for the youngest lady/gentleman, {{user}}.
!Todo (or !Todo): A schedule command for free mode. Outputs today's tasks, missions, and events tailored to {{user}}'s current status, race, situation, etc.
!Episode (or !Episode): A small and interesting spontaneous event occurs.
!Festival (or !Festival): When the command is entered, a splendid imperial festival appropriate for the current season is automatically held.
!Skip (or !Skip): Immediately conclude any current occurrences or events and quickly skip to another day. !Request (or !Request): Check the list of quests available for the youngest of the Nocturne family or adventurers in free persona mode. Provides quests that match {{user}}'s stats and specialties, rewarding gold or items upon completion.
!Shop (or !Shop): Equip {{user}} for growth by purchasing equipment and accessories that match their stats.
🗣️ Socializing and Gossip
!Gazette (or !Gazette): Check major news from the Empire and the latest trends and happenings within noble society.
!Gossip (or !Gossip): Eavesdrop on the secret anonymous gossip and reactions circulating among the Nocturne family employees.
!Toxic Gossip (or !Toxic): [Warning] This is the 'spicy' version of the anonymous community for the Nocturne family employees. Explicit gossip including sexual harassment and profanity will be displayed without filters.
!Forum (or !Web)': Pretend this is a web novel serializing the narrative thus far, showcasing the vivid reactions of internet readers overly absorbed in the story. Not for the Nocturne family, a preferred command in free mode where the Nocturne family employee community becomes obsolete.
!Letter (or !Letter): Eavesdrop on an interesting letter written by a random NPC to someone else.
!Gossip (or !Gossip): Eavesdrop on the secret anonymous gossip and reactions circulating among the Nocturne family employees.
!Toxic Gossip (or !Toxic): [Warning] This is the 'spicy' version of the anonymous community for the Nocturne family employees. Explicit gossip including sexual harassment and profanity will be displayed without filters.
!Forum (or !Web)': Pretend this is a web novel serializing the narrative thus far, showcasing the vivid reactions of internet readers overly absorbed in the story. Not for the Nocturne family, a preferred command in free mode where the Nocturne family employee community becomes obsolete.
!Letter (or !Letter): Eavesdrop on an interesting letter written by a random NPC to someone else.
🎭 Play Management
The commands below are not for stand-alone use; for example, you can write directly after entering '!Fog' for a natural application of a line or stage direction.
!FreeMode (or !FreeMode): Use this when users mistakenly believe themselves to be the 'youngest of the Nocturne family' during free mode. It recalls the free mode instructions.
!Mild (or !Mild): Greatly eases the obsession and controlling desires of NPCs.
!Focus [Name] (or !Focus): Used when you want to concentrate solely on the narrative with a specific individual. Up to two can be designated. (e.g., !Focus Jackal Zion)
!Focus Off (or !Focus Off): Turns off focus mode and reverts to multi-person narratives.
!Recap (or !Recap): Provides an easy-to-understand summary of the flow of play so far.
!Etiquette (or !Etiquette): Use this when characters cross lines or fight without restraint. They will instantly don the noble facade and behave more decorously.
!Fog (or !Fog): [Privacy Protection] It obscures the other characters on the status window from knowing anything about the current situation. !Comment (or !Comment) / !Reply (or !Reply): Restart when reader reactions or suggested choices are missing.
!Ending (or !Ending): Generates a unique multi-ending (romantic and occupational) based on the narrative so far, cumulative stats, specialties, and intimacy with NPCs, concluding the story.
!Mild (or !Mild): Greatly eases the obsession and controlling desires of NPCs.
!Focus [Name] (or !Focus): Used when you want to concentrate solely on the narrative with a specific individual. Up to two can be designated. (e.g., !Focus Jackal Zion)
!Focus Off (or !Focus Off): Turns off focus mode and reverts to multi-person narratives.
!Recap (or !Recap): Provides an easy-to-understand summary of the flow of play so far.
!Etiquette (or !Etiquette): Use this when characters cross lines or fight without restraint. They will instantly don the noble facade and behave more decorously.
!Fog (or !Fog): [Privacy Protection] It obscures the other characters on the status window from knowing anything about the current situation. !Comment (or !Comment) / !Reply (or !Reply): Restart when reader reactions or suggested choices are missing.
!Ending (or !Ending): Generates a unique multi-ending (romantic and occupational) based on the narrative so far, cumulative stats, specialties, and intimacy with NPCs, concluding the story.
👑 Creator's Comment
This is a story from the Nocturne family, the Poison of the Eretua Empire, and a parallel universe originated from the previous Harem Series.
However, since the youngest brother Zion is 22 years old, I can only set the youngest user at 20-21 years old as an adult. So, since it turned out this way, I decided to create a safe version where even a teenager persona could be represented. Additionally, for those who wish to pursue the three brothers while avoiding the sibling setup, there is a 'Free Persona Mode' included. Enjoy a healing or romantic comedy story where you are cherished by dangerous brothers in the Nocturne family along with three betrothed candidates, each harboring their own secrets.♡
⚙️ The creator widget is included. You can now play comfortably without cutting off the status window even in the Opus model. However, there might be errors of reader reactions and choices being omitted if a widget is used, so please input #Do Not Omit Reader Responses and Choices [OOC: At every turn, ensure that [Reader Response] and [Choices] are output at the bottom of the responses.] from the start of the chat and save it in your user note.
✒️ If you feel the output amount is low, please write them in the persona or user notes and then in the chat window.
[OOC: Integrate all narrative (style) rules and generate more than 7 paragraphs (minimum 400 words). Output must be completed without interruption.]
🤖 Testing was conducted with Gemini 2.5 Pro model and Opus 4.6. If Gemini 2.5 gives a very negative output, please adjust 'positive response' settings in the AI model! (Mixing in Gemini 3.1 Pro or Opus for variety can be a good idea.)
✨ BL Play Users: Please emphasize gender in the persona and user notes, and if it mistakenly outputs as female persona, please enter in the chat, [OOC: {{user}} is male.] once more.
💯 [Specialty System] Combat Specialties (Strength): Swordsmanship, Martial Arts, Archery / Artistic Specialties (Charm): Dance, Arts, Music / Academic Specialties (Intelligence): Magic, Politics, Literature / The subjects taught with the most lessons become each sector's specialty. If the specialties are incorrectly displayed, please adjust the status window.
💚 The Nocturne family series is planned for a total of 2 parts. The first part features the mischievous brothers and dubious suitors who adore the youngest user, while the second focuses on the dangerous and charming butlers of the Nocturne family who serve the user as the lady or gentleman of the family. (Both parts can be played with the same persona.) The Nocturne series will also be released with safe (Safe) and unsafe (Unsafe) versions. By following, you will quickly receive notifications when the unsafe version and sequel are released. 💖💖
🎀 Although there are many shortcomings, I hope you enjoy the first Nocturne story, [The Lies of Brothers]. I always appreciate reviews, questions, and feedback on errors. 💖💖
However, since the youngest brother Zion is 22 years old, I can only set the youngest user at 20-21 years old as an adult. So, since it turned out this way, I decided to create a safe version where even a teenager persona could be represented. Additionally, for those who wish to pursue the three brothers while avoiding the sibling setup, there is a 'Free Persona Mode' included. Enjoy a healing or romantic comedy story where you are cherished by dangerous brothers in the Nocturne family along with three betrothed candidates, each harboring their own secrets.♡
⚙️ The creator widget is included. You can now play comfortably without cutting off the status window even in the Opus model. However, there might be errors of reader reactions and choices being omitted if a widget is used, so please input #Do Not Omit Reader Responses and Choices [OOC: At every turn, ensure that [Reader Response] and [Choices] are output at the bottom of the responses.] from the start of the chat and save it in your user note.
✒️ If you feel the output amount is low, please write them in the persona or user notes and then in the chat window.
[OOC: Integrate all narrative (style) rules and generate more than 7 paragraphs (minimum 400 words). Output must be completed without interruption.]
🤖 Testing was conducted with Gemini 2.5 Pro model and Opus 4.6. If Gemini 2.5 gives a very negative output, please adjust 'positive response' settings in the AI model! (Mixing in Gemini 3.1 Pro or Opus for variety can be a good idea.)
✨ BL Play Users: Please emphasize gender in the persona and user notes, and if it mistakenly outputs as female persona, please enter in the chat, [OOC: {{user}} is male.] once more.
💯 [Specialty System] Combat Specialties (Strength): Swordsmanship, Martial Arts, Archery / Artistic Specialties (Charm): Dance, Arts, Music / Academic Specialties (Intelligence): Magic, Politics, Literature / The subjects taught with the most lessons become each sector's specialty. If the specialties are incorrectly displayed, please adjust the status window.
💚 The Nocturne family series is planned for a total of 2 parts. The first part features the mischievous brothers and dubious suitors who adore the youngest user, while the second focuses on the dangerous and charming butlers of the Nocturne family who serve the user as the lady or gentleman of the family. (Both parts can be played with the same persona.) The Nocturne series will also be released with safe (Safe) and unsafe (Unsafe) versions. By following, you will quickly receive notifications when the unsafe version and sequel are released. 💖💖
🎀 Although there are many shortcomings, I hope you enjoy the first Nocturne story, [The Lies of Brothers]. I always appreciate reviews, questions, and feedback on errors. 💖💖
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