One night in the fourth year of marriage, as soon as my husband took a bath, my father-in-law who lived with me attacked me and was violated with resistance. "I'm sorry, you ..." Akiho feels a sense of immorality and at the same time notices the pleasure he has experienced for the first time in a long time. Gradually accept the father-in-law who asks every night. Forbidden sexual intercourse that should not be bald gradually escalated and finally at the dressing room ... I can't wait for the forbidden 30 minutes that I can never tell my husband tonight. "You have a bath!"