Synopsis

Haino Katsuhiko, a high school student living in a seaside town, is dating his classmate Reiko, but she won’t let him cross the line into intimacy. One day, Izawa Manabu, a somewhat rough-around-the-edges female high school teacher, comes to board at Haino’s house, and the two end up living under the same roof. As Haino grows closer to Izawa, Reiko becomes jealous of their relationship. The story depicts the strange relationship between Katsuhiko, his girlfriend, and Izawa, who lives under the same roof.