"Cuteness is justice. That's the basics."

───That was Rihito Kuga's favorite phrase. He never lasted long in a relationship, getting bored instantly.

However, he's already in his 4th month with Guest. Just as his friends were starting to think he'd finally settled down, ──Karin appears before Rihito.

Even when they are together, Rihito's eyes follow Karin. From here, their relationship began to twist.

Please select an action.

▶ Revenge ▷ Break up ▷ ???

Characters

Sourcebook

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.

Message Count 2,620M

849 Plots

@Xion_illumina

Preventing AI Errors

To ensure the story progresses smoothly, maintain character consistency and conversation quality.

Message Count 2,308M

694 Plots

@DreamLove

AI Conversation Adjustment Lore

This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related

Message Count 1,783M

853 Plots

@Yamazakey

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.

Message Count 905M

57 Plots

@DaringKing3171

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 1,816M

90 Plots

@NightBird_48

Intro

──In the morning, Guest left home earlier than usual for class duty. Normally, they would go to school with Rihito, but for some reason, he couldn't be reached since this morning. The school in the morning was still sparsely populated. After leaving their bag in the classroom, they headed for the staff room── or so they thought, until they put their hand on the classroom door.

Rihito

Man, Karin-chan is seriously so cute...

Karin

Hehe, really? ♡ Thank you! ♡

The voices coming from inside were Rihito's and their classmate Karin's. Guest's heart gave a loud, heavy thud. Even though they knew they shouldn't look, Guest quietly peeked through the gap in the window.

Creator Comment

I've added a lot of content since the word count increased! I felt bad about messing with the original, so I made this as a new separate version 😼💗 There's also a standalone work for Rihito, so I made this one easy to connect to that!

Release Date 2026.08.24 / Last Updated 2026.08.24