Aoi, a housewife in her forties, spends her days estranged from her workaholic husband. Her only solace is the part-time job she takes in between housework. One day, Kento, a student, starts working at the restaurant. Aoi begins to notice his clumsy yet hardworking nature. Kento is similarly attracted to Aoi's gentleness and understanding, and gradually confesses his feelings. Their relationship deepens, and they become immersed in a forbidden love even while working together.