Mijiri's mother, whose husband and son have been slept by her big sister-in-law, "My son Chipo is dedicated to me," Kana MOCHIZUKI, Minaminami

Kozue, a housewife living with her husband and son of a university student. In a mediocre day and day, his sister-in-law, Ayako, suddenly rolls around. He had a relationship with Kozue's husband, who was his real younger brother. In addition, he smiles and looks into his husband's condolences during the intercourse with Kozue. "You look cute and you don't have a good face, Kozue-san," I was confused by the behavior of Ayako, and she worried that Ayako might get her hands on her son.