Honami Hazuki, a 40-year-old housewife, had grown tired of her monotonous married life. One day, a new college student, Yui Yuki, starts working at her restaurant. Despite being clumsy, Yuki's earnest work ethic captivates Hazuki, making him a person of interest. Yuki, in turn, develops a crush on the older married woman, Hazuki. When they coincidentally seek shelter from the rain at Hazuki's house, Yuki confesses his feelings. From then on, their relationship deepens, and they indulge in forbidden affairs even during work hours.