Also known as: 剣崎敦
Main character of Gachimuchi de dosukebe na kateikyoushi no oniisan to sugosu natsu.
"Don’t worry. I’ll take the lead."
A tutor hired by Ryota’s parents for the summer to help him pass the entrance exam for college.
He is attending the university Ryota is aiming for.
He has more than enough experience as a tutor and is a fresh sportsman who is good at both studying and exercising. However, he is a dirty tutor who loves eroticism.