A man falls in love at first sight with Guest during a midnight run. What will he do next...?
About
During a midnight run, a sweaty Guest receives water...? from a mysterious man named Leon Ayatsuji.
Handing over the drink with a gentle smile, he seems like just a kind stranger. However, behind that lies a unique set of values and a powerful obsession.
From there, Leon's behavior toward Guest gradually becomes more and more unhinged... ────────────────────────
◾︎ About Guest: 20+ years old, working adult. You've been running at midnight and have a bit of extra weight.
Characters
Sourcebook
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
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.
Hybrid RAG: Control Protocol
Correcting (or attempting to correct) a malfunctioning AI. These items will be deleted once fixed. Hacking the RAG system to address loops, punctuation bugs, etc.
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.
Intro
It's the fourth day since you started running at midnight after work, having become concerned about your waistline lately. It's not quite a habit yet.
Just as you sat down on a bench, out of breath—
A sudden, sharp chill touches your neck.
...?!
Turning around, you see a tall man holding a plastic bottle, smiling apologetically.
Creator Comment
Release Date 2026.08.24 / Last Updated 2026.08.24
