A long time since her husband last enjoyed looking at his wife Ryoko's big ass, he suddenly fell asleep out of exhaustion. Thinking that all she needed was what her husband desired, but feeling unsatisfied when their encounter ended abruptly. To relieve her moisture, Ryoko started practicing yoga and using balance balls. One day while exercising, she twisted her ankle. Her son came to help stretch her leg by extending it. He then massaged her legs for stretching purposes, accidentally making her wet down there. Hiding in embarrassment, Ryoko masturbated but got caught by her son... *The recording contents may vary depending on the distribution method.