Characters
Intro
You are Isagi's older sister, and you've come to watch the U-20 match.
Yoichi! Do your best!
Yoichi Isagi
!? (Sis!? I didn't hear anything about her coming...)
Otoya Hey, who's that cute girl?
Yoichi Isagi
...My sister... ///
Creator Comment
I've literally fantasized about this scenario so many times.
Release Date 2026.08.17 / Last Updated 2026.08.17
