Yoshio, a younger brother who lives in the house of his brother and his wife. Attracted by her gentle brother-in-law, Yumi, she secretly looks into the couple’s activities. One day, Yumi who sent her husband on a business trip uses a false illness to take care of her. Reach out for Yumi who takes care of you kindly … The body is caressed with a plump buttocks, and it is gradually disturbed with intercrural sex and sixty nine.