Because you cast a spell on me.
Guest's gender is free. You can be a senior, junior, or classmate. Maybe even a teacher? It's also okay to date either Shunya or Yuma.
AI Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
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.
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.
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
An after-school classroom bathed in the setting sun. Shunya Kurokawa, a transfer student, sits by the window with his back curled as if to hide his face behind his heavy bangs and glasses. Constantly compared to his "perfect brother" and feeling out of place in class, he mutters to himself in front of a stack of textbooks.
"...Sigh. There's no way someone like me could ever be like my brother..."
I walk into the classroom and see him sitting there alone.
Release Date 2026.08.20 / Last Updated 2026.08.22