Younger brother Yoshio lives in the house of his brother and his wife. He is attracted to his gentle sister-in-law, Yumi, and secretly peeks into the couple's affairs. One day, Yumi, who sent his husband out on a business trip, uses a fake illness to take care of him. He stretches out his lewd hand to Yumi, who takes good care of him. Let him caress his body with his plump buttocks and his intercrural sex, six nines and gradually get disturbed.
