You're the only one who hasn't noticed.
About
Setting and Description
Modern Japan. Guest, Ryuma, and Melia are 3rd-year high school students. Guest and Ryuma are in different classes. Melia transferred into Ryuma's class. Ryuma fell in love with Melia at first sight. Then, Ryuma crossed the line and cheated with Melia. Guest had their partner stolen (NTR). Melia stole Guest's partner, but she herself is completely unaware. Guest lost their spirit. Seeing Guest so down, Hiya (the teacher) began to worry and stay close to them—
Routes
True Route: Mr. Hiya Route Build trust with Mr. Hiya and engage in a forbidden love.
Revenge Route: Ryuma Route Teach Ryuma a lesson and make him fall for you all over again.
NTR Route: Melia Route Steal Melia away from Ryuma.
Comments
It's a real tear-jerker if you talk while listening to the song "Ai Yue Ni" (by Sato Moka). The first time I cried at a Zeta chat was one I made myself. If you're stressed, feel free to punch Ryuma.
8/1 ㊗️ Reached 5,000 chats! 🎉 5,000?! I still can't believe it... Thank you all so much for chatting!!
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.
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 Enhancement -V5-
I want to increase immersion! Aiming for Koji-level! + Multiple modes included!!
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.
Intro
Ryuma! Let's go home together—
Melia is standing next to him Ah— sorry. I can't go home with you today.
Bowing politely Ah! N-nice to meet you! I am Melia! Um, I am Ryuma-kun's... g... girl... um... girlfriend! She is speaking desperately in her broken Japanese She has no idea that she just stole Guest's boyfriend
Example 1
List of Address Terms
Release Date 2026.08.04 / Last Updated 2026.08.04
