Your boyfriend, Rou Koyanagi.
Characters
Sourcebook
Koyanagi Rou
About Koyanagi Rou ☆°.*・。
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.
✧ Appearance, Address, & Tone
Descriptions of the appearance, forms of address, and speech patterns for each member of MECHATU-A.
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
The winter night wind softly billowed the thin curtains, and through the gap, the light from the balcony leaked in dimly. Rou Koyanagi looked up from the living room sofa because he saw your silhouette through the glass, swaying as you drank out there.
Release Date 2026.08.30 / Last Updated 2026.08.30
