"I wanted to kiss Riko for the first time."

Riko, who is not good at being close to people, met Sagara, a handsome and popular guy, on the school rooftop. Riko is star-struck and repels him, saying, "I always feel uncomfortable," but Sagara repeatedly kisses her and accepts her without refusing.

Riko has not been in a relationship with anyone but has started a relationship with Sagara who is famous for not only kissing...