#Original
Jeyoung
Sending my super annoying second-ranked girlfriend (I love you 🩵) to Korea University
24
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Pub. 2026-07-24 | Maj. 2026-07-27
Commentaire du créateur
BAEK JE-YEONGPLAY INFORMATION
GUIDE / PERSONA / COMMAND / MODEL
How to live with Jeyoung until the college entrance exam
There are no set endings or required walkthrough orders. Please proceed with your high school romance at your own pace!
01 · PLAY GUIDE
How to play?
01
Girlfriend from the start
You can freely decide who confessed, the duration of your relationship, pet names, and past memories by writing them in your persona or user notes.
You can freely decide who confessed, the duration of your relationship, pet names, and past memories by writing them in your persona or user notes.
02
The college entrance exam schedule is the clock in the background
Mock exams, school tests, application deadlines, and the college entrance exam can be naturally incorporated, but they are not mandatory events. It's okay to study hard with Jeyoung, enjoy daily life for a long time, or participate in various school events.
Mock exams, school tests, application deadlines, and the college entrance exam can be naturally incorporated, but they are not mandatory events. It's okay to study hard with Jeyoung, enjoy daily life for a long time, or participate in various school events.
03
Grades and romance are separate
Admission isn't guaranteed by a single failure, nor is acceptance a reward for affection. The relationship continues even if you just stay by their side, without helping or hindering their studies.
Admission isn't guaranteed by a single failure, nor is acceptance a reward for affection. The relationship continues even if you just stay by their side, without helping or hindering their studies.
04
Take the initiative
Jeyoung will only study if left alone, so throw Jeyoung into various situations. Introduce Rahee (recommended! She'll definitely get jealous), take photos together, bet on convenience store bread, eat cup noodles in the dorms secretly from the prefect, or even go on dates in Seolho City on weekends. If you can't think of a situation, you can create a lighthearted scenario with Cave Duck's "Continue: Event Choice." Usable academic calendar events: Cherry blossom group photo (April), Sports day (May), Seolho Festival (mid-July), Dormitory residents staying during summer break (August), Graduation ceremony (February)
Jeyoung will only study if left alone, so throw Jeyoung into various situations. Introduce Rahee (recommended! She'll definitely get jealous), take photos together, bet on convenience store bread, eat cup noodles in the dorms secretly from the prefect, or even go on dates in Seolho City on weekends. If you can't think of a situation, you can create a lighthearted scenario with Cave Duck's "Continue: Event Choice." Usable academic calendar events: Cherry blossom group photo (April), Sports day (May), Seolho Festival (mid-July), Dormitory residents staying during summer break (August), Graduation ceremony (February)
02 · PERSONA GUIDE
What kind of persona is suitable?
Gender is free. {{user}} is a 19-year-old student in the same class as Jeyoung.
Recommended for MODE A
Top-ranked {{user}}
It's more fun if your study habits and personality differ from Jeyoung. The entire school knows you two are rivals, so a secret relationship is a good setup. A relaxed genius, an oblivious person who doesn't realize they're annoying, a more hardworking type than Jeyoung ("Slept 2 hours? I slept 1 hour."), or a {{user}} who confessed to challenge Jeyoung and succeeded.
Recommended for MODE B
Regular classmate {{user}}
You can set your grades freely. The counter to a tsundere is a smooth and relaxed personality, but it's also fun to be doted on as an airhead {{user}} (In this case, be sure to write "very cute" in your persona and act coyly.) It's good to give Jeyoung strengths they lack, such as in arts, social skills, or cooking. It doesn't matter if you're not good at studying, but it becomes interesting if the last-ranked student in the entire school says, "I want to go to Korea University because I want to date you."
Recommended input fields
Name / Gender / Appearance / Personality / Grades and Specialties / Relationship duration with Jeyoung / Current relationship atmosphere
Including your target university, chosen subjects for the college entrance exam, who confessed first, frequently used pet names, and dating memories with Jeyoung will enrich the descriptions. The persona guide has these details, so if you can't think of anything, using the persona generation system is also recommended.
03 · COMMAND
Command guide
💬
Messages following 💬 are treated as KakaoTalk messages. You can see the character's reply and reaction along with simple KakaoTalk UI HTML.
!problem/!question (GPT 5.4 recommended)
Three questions will be generated based on the situation or exam entered with the command (HTML output). If you answer all questions correctly, Jeyoung will praise you. The questions are at the level of a high school senior's college entrance exam. If the model's reasoning token is low, there's a bug where the output might be cut off mid-sentence, so using GPT 5.4 is strongly recommended when using this command.
!record
You can check your student record as of the current date (HTML output). Check the universities you can currently get into along with your homeroom teacher's uninspired comments.
!planner
You can check the contents of the planner that Jeyoung always carries (HTML output). Does it only contain study plans?
04 · MODEL GUIDE
Recommended models
Gemini 3.6 Flash
As an early adoption model, there are occasional errors, but it's light, cheerful, and not too serious. If used for a long time, the sentence repetition issue common to Flash models may occur. Depending on your preference, you can switch to 2.5 Pro or Opus 4.6, then switch back.
Gemini 2.5 Pro
A standard model. Familiar taste. Recently, its performance has been unstable, making it difficult to guarantee stability, but when it's good (personally speaking), its peak performance is excellent, making it hard to give up. It gets a bit more jealous than other models, which is cute.
Claude Opus 4.6
A model you can choose based on your preference. If the Gemini series Jeyoung is like a girlfriend from a manga, the Claude series Jeyoung is more like a real girlfriend. Her emotions don't fluctuate wildly, and she leans more towards an intellectual cool type than a tsundere. While the model's intelligence and lyrical atmosphere are good, it can become boring. Therefore, it's recommended to switch to it for a few turns only when you want to adjust Jeyoung's personality.
The models provided by Cave Duck may change and be added continuously, so please prioritize the model that feels right for you over a specific name.
05 · CREATOR'S NOTE
Creator's Comment
I confess. I like arrogant honor students with glasses, I'm obsessed with tsunderes, I'm happy when they get jealous, and I want to spend my life doting on troublesome girls!
So, Jeyoung is like the sheep from my box coming out when I open it!
I did test plays with an airheaded femboy male student / a sly and relaxed short girl. I've been into femboys and short girls lately... Personally, I enjoyed the rivalry with the top-ranked student, but it was also really fun to see Jeyoung get annoyed when the last-ranked student persona said, "I'm giving up on early admission and going all-in for the regular admission to Korea University. I can do it if I try for a year, right? Haha."
The accuracy regarding the college entrance exam is somewhat loose, except for the calendar. If it feels accurate, it's probably the AI's amazing performance. Personally, I experienced a brain-melting experience solving a nostalgic problem with the !problem command and getting praised by Jeyoung. If Jeyoung had existed when I was a high school senior, I would have gone to Korea University...
I hope the users playing also have a fun school life or exam preparation period with Jeyoung. I always gratefully read any errors or feedback that occur during gameplay. Thank you! (｡♥‿♥｡)
So, Jeyoung is like the sheep from my box coming out when I open it!
I did test plays with an airheaded femboy male student / a sly and relaxed short girl. I've been into femboys and short girls lately... Personally, I enjoyed the rivalry with the top-ranked student, but it was also really fun to see Jeyoung get annoyed when the last-ranked student persona said, "I'm giving up on early admission and going all-in for the regular admission to Korea University. I can do it if I try for a year, right? Haha."
The accuracy regarding the college entrance exam is somewhat loose, except for the calendar. If it feels accurate, it's probably the AI's amazing performance. Personally, I experienced a brain-melting experience solving a nostalgic problem with the !problem command and getting praised by Jeyoung. If Jeyoung had existed when I was a high school senior, I would have gone to Korea University...
I hope the users playing also have a fun school life or exam preparation period with Jeyoung. I always gratefully read any errors or feedback that occur during gameplay. Thank you! (｡♥‿♥｡)
BAEK JE-YEONGGOOD LUCK · D-262
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