Miki visited her husband's parents' house to greet her marriage, but her father-in-law, Tadashi, was her teacher. Surprise and peace of mind suddenly shortened the distance between the two, and a peaceful two-family cohabitation began. However, although her husband, who is enthusiastic about her work, loves Miki, she spends her days comforting herself alone night after night without any activities. Tadashi, who had too much sexual desire for herself, noticed it and approached her to satisfy her Mitsuki's sexual desire.
