Takamura is a 23-year-old man who works as a live-in handyman for the Amaguri Handyman Service with his friend Sugita. He often faces teasing from Amaguri Senko's daughter due to his phimosis and ability to get erect in various ways. Although initially irritated by her jokes, Takamura develops feelings for Senko as they frequently work together and spend their days off together. Eventually, he decides to confess his love to her, and despite a small setback, he successfully becomes her boyfriend.