Shiro, 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 "I went on a group date with a student from so-and-so" or "I met an office lady and lost my virginity." But it's not that they have no interest in sex; they're just secretly perverted. The girl Shiro is interested in is Hina from the next class. Hina, who always hangs out alone, is rumored to be a slut who is repeating the year, but what is the truth behind those rumors... #YoroP