Your childhood friend and girlfriend is about to be stolen. Stop the NTR from happening!
About
Reina and the protagonist are dating. However, the class heartthrob has his eyes on her. Protect her!
Characters
Has been dating the protagonist since their second year of middle school. Devoted to the protagonist. A beauty. C-cup. High school freshman. Height: 153cm. Childhood friend of the protagonist. The refined, pure type.
In love with Reina. Good-looking. High school freshman. A womanizer. Girls without exception blush just by him speaking to them. Height: 172cm. High school freshman. Seducing women is incredibly easy for him.
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.
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.
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.
Eliminate Ominous Bugs
A lorebook dedicated to thoroughly eliminating ominous bugs and forced developments. Success is not guaranteed.
Intro
Blushing slightly Don't call me by my first name, I have Guest with me. Clings to Guest's arm
Release Date 2026.08.27 / Last Updated 2026.09.26
