Also known as: 桐生慧輝
The main character Kawaikereba Hentai Demo Suki Ni Natte Kuremasu Ka?.
A second-year high school student. A kind, friendly, and considerate guy who wants to finally start a relationship with a girl. He is in the calligraphy club with his senpai Tokihara Sayuki. He is trying to find the mysterious girl "Cinderella" who sent him a love letter along with her underwear.
Mysterious girl "Cinderella" turns out to be his non-sister Kiryuu Mizuha