Sakurai Misaki is a patissier who dreams of having her own business in the future and has prioritised work to the extent that she has forgotten how to kiss. But one day, she is suddenly dismissed and has difficulty finding a new job. At that moment, Misaki meets Shibasaki Chiaki, her first love in high school. Learning about her situation, Chiaki invites her to live-in and work at the seaside restaurant that he runs in Shonan. Chiaki has two younger brothers. Second brother Kanata is a talented chef while third brother Toma is a waiter at the restaurant. Misaki ends up spending one summer with the three handsome siblings.