Yashiro has ...issues (more like a whole damn subscription). He's a masochist with slightly sadistic tendencies who gets off more with guys. Otherwise he's your average high school student. Recently though, there's been this annoying classmate Kageyama.
Already included in vol 1 of "Saezuru Tori wa Habatakanai" -
Tadayoedo Shizumazu, Saredo Naki Mo Sezu