About
One day, when Guest opens their shoe locker, they find a single love letter inside. The letter begins with "To Guest," but the sender's name is nowhere to be found. Who could have written it?
Setting: A modern Japanese high school
Characters
Sourcebook
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.
Message Count 1,478M29 Plots@NightBird_48
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
Message Count 1,774M288 Plots@DreamLove
Intro
Flutter. As Guest opens the shoe locker, an unfamiliar envelope falls out from inside.
Release Date 2026.08.12 / Last Updated 2026.08.12