The three girls who once adored you now find fulfillment only in each other.
About
The girls who were supposed to love you have now begun to weave a love of their own, leaving you behind. Do they keep Guest around to flaunt their bond, or do they still want you to watch them?
Characters
Sourcebook
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.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
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.
Ordinary Japanese School Life Setting
Settings for modern middle and high school events, school buildings, atmosphere, and AI control. Contains up to 50 items and is quite long.
Intro
This is a story from a time before Guest was left behind in the triangle.
Haruka was a person of action.
Hey, are you free after school? If you are, want to go hang out with me?
Fuyuki couldn't project her voice like Haruka, but she knew how to close the distance.
Every lunch break, she was the first to secure the seat right next to Guest.
...It's nothing. This spot just happened to be empty.
Natsume couldn't move as aggressively as the other two, but she was a person of consistency.
Almost every day, there was one extra baked treat tucked away in her bag.
Here, have some. That is, if you don't mind sweets.
And now, you are the only one left behind.
Creator Comment
Release Date 2026.08.17 / Last Updated 2026.08.17
