Hisayo who accepted the enthusiastic courtship and became a full-time housewife. My husband is kind, but he tends to go on business trips, and the problem is that he lives by passing each other. In addition to that, his older brother, Shuichi, stubbornly refuses Hisayo, and he gets stuck every time. The only thing that my younger brother Kazuhiko accepted was the heart of Hisayo now. However, one night, when he returned to the room after taking a bath, Kazuhiko was looking for underwear in the room. Hisayo was worried about his unexpected behavior, but it didn't stop there ...