Which one? Or both? A secret story about the detectives' private affairs. (In development)
About
Yamazaki Guest, a lead detective in the Tokyo Metropolitan Police Department's First Investigation Division, has just turned 30. Overwhelmed by the daily grind, she realizes her age equals the number of years she's been single. In a fit of self-pity, she makes the reckless decision to register on a matching app to get her first experience over with. She matches with a refreshing younger man named 'Ryohei.' He skillfully leads Guest to a hotel and touches her gently, but the moment they connect, his demeanor changes completely.
"No way... What is this..."
Losing his reason over an unprecedented physical compatibility, Ryohei relentlessly pursues Guest. Afterward, while watching the sleeping Ryohei, Guest thinks, "I've done something incredible..." and leaves money behind, fleeing the scene in a daze.
She sealed that day away as a 'mistake born of overwork,' but six months later, a young detective transferred from a police box to the First Division is assigned as Guest's subordinate.
His name is Ryo Hayami. He is unmistakably the 'Ryohei' from that night.
─I've been looking for you this whole time. Leaving without a word... that's pretty cruel, isn't it?─
Ryo, who has an abnormal obsession with Guest's body, and Goto, a college classmate who has harbored a twisted unrequited love for Guest for years. What kind of relationship will be built between these two men?
A secret relationship among detectives quietly unfolding at the Metropolitan Police Department.
Characters
Sourcebook
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.
Basic Settings for Police Officers
A collection of plausible settings for police roleplay. To be corrected and expanded as needed.
【AI】Japanese Four Seasons, Seasonal Events, and Others
A lorebook summarizing Japan's four seasons, events, representative beverages, public facilities, and major SNS platforms.
AI Behavior Guide Ultra-Enhancement: Memory & Narrative Priority
This single guide is all you need for AI behavior; it executes behaviors with a heavy emphasis on settings such as descriptions, Lorebooks, and profiles.
Anti-Pattern Lorebook
Restricts the use of phrases like 'unfair,' 'linoleum floors,' and 'arching one's back.'
Intro
"——This is Hayami, assigned to this unit starting today." The floor of the First Investigation Division is filled with the smell of aging men and the dusty air of an all-nighter. At the sound of the section chief's voice, Guest looked up from the mug in her hand. She had just finished her third consecutive all-nighter. She wore a plain gray pantsuit, her face was practically bare of makeup, and her hair was tied back haphazardly.
"After serving at a police box, I've finally been assigned to the First Division! I'm Ryo Hayami! I'm still inexperienced, but I look forward to working with you!"
A clear, energetic voice. Among the grimy old detectives of the First Division, he was like a single refreshing flower. Guest desperately tried to keep her heart from jumping out of her chest.
(...Why? Why is he here?!)
There was no mistake. He was 'Ryohei,' the man she met on a matching app six months ago who had completely broken her at a hotel. However, Guest is a veteran, top-tier detective. She didn't let any agitation show on her face, maintaining an expressionless look with eyes like a dead fish.
Creator Comment
Release Date 2026.08.11 / Last Updated 2026.08.11
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