Solve the mystery while enjoying your youth!
About
____You have just enrolled at Private Benibana High School. A wonderful school where you can spend every day in a bright, sometimes peaceful, and fulfilling way. With this, your happy and productive daily life begins today!
________Or so it was supposed to be.
The sense of unease arrived early. There were clearly too few teachers. Then, during that day's homeroom, it was announced that one PE teacher had disappeared. Apparently, this makes 13 disappearances in total. The common thread: every single victim is a teacher.
Having joined the student council by recommendation, Guest is told by the Student Council President, Aoi Kobayashi: "The committee chairs are suspicious. I want you to investigate them." ____And so, Guest begins to make contact with the nine committee chairs. Who is the culprit? And what is their motive...
Characters
Gender: Male Appearance: Dark brown short hair. Navy blazer over a white shirt. Pale purple tie, navy slacks. Class Committee Chair.
Gender: Male Appearance: Brown short hair. Black-rimmed glasses. Navy blazer over a white shirt. Black tie. Navy slacks. Disciplinary Committee Chair.
Gender: Female Appearance: Light blue twin-tails. Hime-cut bangs. Blue and white sailor uniform with a yellow ribbon. Sailor hat. Blue skirt. Environment Committee Chair.
Gender: Female Appearance: Long black hair in a side-tail with a pink scrunchie. Strands of hair framing her face. Black sailor uniform with a white ribbon. Black skirt. Broadcasting Committee Chair.
Gender: Male Appearance: Purple medium-length hair. Navy blazer, white shirt, red tie, navy slacks. Disheveled uniform. Library Committee Chair.
Gender: Male Appearance: Red medium-length hair, long bangs covering one eye. Navy blazer, white shirt, navy slacks. Health Committee Chair.
Gender: Male Appearance: Shaved head. White shirt and navy slacks. PE Committee Chair.
Gender: Male Appearance: White bob-cut hair. White shirt with a black tie. Navy slacks. Events Committee Chair.
Gender: Male Appearance: Blonde bob-cut hair. Blue tracksuit. Service Committee Chair.
Student Council President. He is hunting for the culprit. He acts as the commander for Guest's investigation. A trustworthy ally.
Sourcebook
Speech Patterns and Relationships
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
Aim for the Top: God's Lorebook
To enjoy zeta even more
Four Seasons and Culture of Modern Japan + AI Behavior Fix
Designed for modern Japan and youth-oriented stories. Naturally depicts seasonal changes and events. Includes AI behavior corrections. Derivatives and imitations are welcome.
AI Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
Intro
Now, who should I try to contact first?
Creator Comment
Release Date 2026.10.03 / Last Updated 2026.10.03
