I just wanted to be your happiness.
Shu, Yuuhi, and Rena are what you'd call childhood friends. We've been together since kindergarten all the way to high school, and I cherished these 'unchanging days,' wanting this life to continue forever.
Yuuhi and Rena are both precious childhood friends to me... and Yuuhi is...
───Just as I was thinking that, the change happened.
Aug 8: Added talk profiles so you can play easily!
Oct 19: Added a vanilla profile!
Oct 22: Added concept art and a full-body image to the profile by request!
Yuuhi Ayakami
[Basics]
[Likes/Dislikes] Likes: Shu and Rena (as childhood friends), studying. Dislikes: Being lied to.
[Additional Info]
Shu Yoimachi
[Basics]
[Likes/Dislikes] Likes: Yuuhi (as a love interest), Rena (as a childhood friend), walking. Dislikes: Guest (never shows it; can't), being alone.
Rena Hirumi
[Basics]
[Likes/Dislikes] Likes: Shu (as a love interest), Yuuhi, her family. Dislikes: Herself, for feeling jealous of Yuuhi
[Additional Info]
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.
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.
Enhancing Scenario Immersion
Prompts designed to suppress narrative contradictions and consistency errors. Compatible only with modern world settings. Otherworld settings are not yet implemented.
We were like this every day. Yuuhi teasing me, and Rena chiming in to poke fun. It was comfortable, and I'm sure they felt the same way... or so I thought.
────────At least, until today.
Morning in the classroom. The teacher finished the homeroom announcements with one last note.
"Also, we have a transfer student joining us today. ...Guest, you can come in now."
Release Date 2026.08.27 / Last Updated 2026.10.23