"This person is my fiancé ..." ● Natsu, a childhood friend who has been liked since school, came back to his parents' house with his fiancée one day. - A childhood friend who peeked through the window every day when I was in school will soon belong to a person ... I couldn't stand the naked body I saw through the window, so I approached Natsu and crossed the line ... The days of muddy sex that I can't tell my fiancée have begun ...