Miyu who got married and started living with her father-in-law at her husband's parents' house. But as her husband got busy with her work, she started quarreling over trifles. At that time, her husband decided to go on a business trip for a week. Miyu uses this opportunity to come up with a solution to improve her marital relationship, but she can't come up with it so easily... Her father-in-law told Miyu, who was at a loss, to tell her the secret of a happy marriage. Miyu was delighted with her, but instead of teaching her, she was pressed by her father-in-law to let her rub her breasts.
