After six years of marriage, Ririko, a wife who has not been blessed with a child and is lonely at lunch, has had a daily routine of having food delivered to a nearby set meal restaurant. One day, Oliver, a new black part-time worker, came to make a delivery. Ririko salivates at the strong body that her husband doesn't have. The relationship between the two grows closer each time he takes her out. One midsummer day, Rinko lends a shower to a sweaty Oliver.