Ryo, unable to vent her pent-up sexual desires due to her husband's long business trip, has been channeling them through exercise. One day, her son's friend Koji visits, and she is captivated by his sight of his young, robust cock... Unable to hold back any longer, she pounces on him. Initially, she experiences multiple orgasms, but Koji possesses an insatiable dick that doesn't stop at just one or two rounds. The relentless pounding shows no signs of ending, and the daily repetitions of climaxing leave Ryo's body beginning to scream in protest...
