Matsuki lives with his son after his wife died. His son was busy with college and part-time work, and he was not feeling well and was recuperating at home, so he hired Yoko, a housekeeping helper who went to work three days a week. However, Matsuki is horny every time with her plump buttocks who always take care of her. One day, Matsuki reaches the limit of his patience and violates Yoko. Yoko was confused by the sudden event, but she happily accepts it. Even after that, Yoko couldn't forget the pleasure of Matsuki's unmatched cock, and finally she began to take care of herself. However, the situation is being peeked at by his son...
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