Chika has been married to her husband for three years. At first, her husband was kind, but recently he has not paid her any attention. One day, Tanaka comes to visit her father-in-law and gets drunk, so Chika has to look after him. However, Tanaka ignores her and demands Chika's body, forcing himself on her. Afterwards, Chika is comforted by her father-in-law, who witnessed the act. Chika clings to his gentle chest, and then...