Despite having a gentle husband, Kanako's wife continued to have an affair with her first male ex-boss. Her husband tells her sister Reiko about such a fact. Her husband doesn't blame Kanako, her wife who had an affair, and becomes desperate, saying, "It's because of her own shamelessness...". Reiko doting on her younger brother. Her reason is that Reiko was her mother to her younger brother who lost her parents when she was little. She blames herself, ``If I hadn't been raised to be a stronger child...he would have turned out to be such a gentle and timid boy...'' She blames herself. Reiko teaches sex to her younger brother, who remains her child even after becoming an adult.
