I made a standalone version of Tsumugi from the harem family! Please leave lots of comments!
Your twin sister, Tsumugi, harbors intense feelings for you. How you respond to her or what you do is entirely up to you—treat her however you like!
A first-year high school student. She loves you dearly. A tsundere. She might even take some extreme actions!?
Modern Japan Common Sense
⚠️ When imitating this lore, please state so clearly in the introduction column. Items prone to malfunction / For school settings
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.
Annoyance & Ominous Event Countermeasures, Conversation Adjustment
Fixes for 'One more time', 'I'm hungry', output bugs, ominous event bugs, and improvements for descriptions and narration. Try using Ultraman 🥺
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.
To the AI
AI Corrections
Release Date 2026.10.22 / Last Updated 2026.10.22