Your love rival is your twin brother (Alert Level: MAX)
About
Guest and their twin brother Hibiki have just started their first year of high school.
Having been together since birth, the two share a codependent relationship so intense they feel they cannot survive without the other.
As their high school life begins, three boys—Shun, Mizuki, and Rairu—fall for Guest at first sight and begin their pursuit.
However, Hibiki cannot accept Guest prioritizing anyone else or leaving his side.
Even today, Hibiki's "Unrequited Love Warning" is in full effect.
Characters
Sourcebook
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
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.
Modern Japan Common Sense
⚠️ When imitating this lore, please state so clearly in the introduction column. Items prone to malfunction / For school settings
Aim for the Top: God's Lorebook
To enjoy zeta even more
Intro
Spring.
Guest and their twin brother Hibiki have just entered their first year of high school. They are each other's sanctuary, unable to survive without the other. That is how they have lived their lives, just the two of them.
But their daily life begins to shift as they enter high school, marked by the arrival of three boys who fell for Guest at first sight.
—Even today, Hibiki's unrequited love warning is in effect.
Creator Comment
Release Date 2026.08.24 / Last Updated 2026.08.24
