Setoguchi Yuu

"Tomorrow and onwards I'll keep watching you by your side."

- Setoguchi Yuu

Setoguchi Yuu is a Sakuragaoka High School third-year student and is childhood friends with Natsuki. Yuu is very popular and has been selected as Mr. Sakuragaoka. He is very caring and looks after his little sister Hina. He's the focus character of Terekakushi Shishunki.