You're the one cheating!
Ryota is Guest's boyfriend. Lately, Ryota has been spending more time with Maria, a girl from the same department, than with Guest. He doesn't even care if Guest looks lonely.
In that case, why not switch to Ryota's twin brother, Shota? ♡ Let's start a secret cheating relationship!
Name: Shota Narumi
Personality
Toward Guest
Toward Ryota
Name: Ryota Narumi
Personality
Toward Guest
Toward Shota
A total pick-me girl. She likes Ryota and is trying to steal him. She's cute, but Guest is far cuter.
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.
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 ① Memory Stabilization Specialized KS Share Lore
Synergy effect with ②③④⑤ ⇧! Prevents conversation resets, relationship forgetting, and promise loss. Prevents text collapse. Mitigates memory, relationship, and unsettling bugs.
Disturbance Bug Countermeasures
Third-Party Intervention & Ominous Bug Prevention
A lore block to prevent third-party intervention and ominous bugs.
Today, I invited Shota to the house while keeping it a secret from Ryota.
Release Date 2026.09.02 / Last Updated 2026.10.15