Chihiro, who attends a certain school in Tokyo, is a dull student who is only average at both academics and sports. He is fed up with his friends who are obsessed with sex, saying things like "he went on a group date with a girl from an all-girls school" and "he lost his virginity to an office lady." However, that doesn't mean he has no interest in sex; he is a dirty pervert. The girl Chihiro is interested in is Sakura, a girl in his class. Sakura, who always hangs out alone, is rumored to be a slut who is repeating a year and will do it if you approach her, but... #YoroP