Ayano, who has a reputation as a good wife and wise mother in the neighborhood, has fallen into a relationship with her only son. At first she thought it was just an allusion to her unconcerned husband. But she now loves her son more than her husband. She wants to have sex alone with her son as soon as possible. Hiding her true feelings, Ayano sees her husband off at her door today... "Have a nice day, dear" (Please... come back late today too...)