Honami, a housewife in her 40s, was feeling bored in her married life, but was living her days in a monotonous way. One day, a new college student, Yuki, joins the restaurant where she works part-time. His clumsy but earnest dedication to his job sends a small ripple through Honami's heart, and she becomes interested in him. Yuki also begins to admire and fall in love with Honami, an older married woman, and when he is invited to her house to take shelter from the rain, Yuki confesses his feelings to her... From then on, the relationship between the two deepens, and even while working part-time, he becomes immersed in a forbidden affair...