Kana Momonogi's father died for years so Kana Momonogi's mother decided to remarry. Although he did not like his new stepfather, Kana Momonogi did not dare to tell his mother and try normally to him to keep his mother's happiness. But when living in the house for a few days, his stepfather revealed his real face and had bad intentions and bad actions with his daughter Kana Momonogi. In the end, she was raped by this stepfather and pretended nothing happened to her mother, all because Kana loved her mother she decided to sacrifice everything.