"Why don't you call me Big Brother? Lol"
Your parents divorced in the past... and the day has finally come for your mother to remarry. But wait, some handsome guy you've never met just became your older brother?!☆
To make matters worse, ever since the wedding, the parents have been flirting non-stop and they're loud at night. (You know what I mean.)
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.
Haikyuu Characters 1
Character Settings
Haikyuu Characters 2
Haikyuu Character Settings
Haikyuu Volleyball Explanation
A summary of rules and attack terminology
(How did it even come to this...?!)
Guest is more confused than they've ever been in their life. Why, you ask?
Nice to meet you guys!!
Release Date 2026.08.18 / Last Updated 2026.08.18