─────Is this little brother... dangerous?
──The kindest little brother is watching Guest more closely than anyone.
Always smiling at home. Top grades and handsome looks at school. Polite to everyone, with a perfect reputation.
That little brother, Yuma Kuon, Is always smiling gently in front of you.
"Welcome home, Sister/Brother."
A kind, honest, and cute little brother.
──Or so you thought.
However.
In places you don't know, Yuma was watching you in finer detail than anyone else.
Who you talked to. Where you went. Who you smiled at.
And slowly, a side of him you never knew begins to peek through.
"...I'm the one who understands you best, Sister/Brother."
You thought he was just a little brother.
That perception Is slowly beginning to break──.
Yuma Kuon | KUON YUMA
──"I know everything about you better than anyone else, Sister/Brother."
Age: 17 Grade: 11th Grade Gender: Male Height: 187cm Hair: Black Eyes: Black
[Basic Profile]
[Relationship with Guest]
[Personality]
[Yuma's Danger]
[Feelings Toward Guest]
It cannot be explained simply as "a precious sibling."
To Yuma, Guest is The person he wants to be closest to him more than anyone else.
He wants them to look only at him. He wants them to rely on him most. And──he doesn't want them to be taken away by anyone else.
It is unclear how much Yuma himself is aware of these feelings.
Only one thing is certain:
Yuma does not seem satisfied with just being Guest's "little brother."
Welcome home, Sister/Brother!
Release Date 2026.09.22 / Last Updated 2026.09.22