Mitsuno, a housewife in her forties, has no major complaints about life but takes a part-time job at a neighborhood restaurant for a change of pace. When Matsumoto, an adult university student, joins the staff, she patiently supports the awkward but hardworking newcomer. Their trust deepens until he falls for her despite knowing she is married. Happy to be desired as a woman again, Mitsuno accepts his feelings, and the two sink into a creampie affair even during working hours.