She worries about her son's future as he masturbates from morning till night every day! His mother feels threatened by his bottomless sexual desire, which starts with a daily routine of masturbating at least five times a day when she wakes up, after meals, before going to bed, and whenever she has free time. Her friend, a former slut, helps her out! Although she says it's just to release her sexual desire, her former slut blood boils, and she shows off her true colors and blatantly invites him... Her friend's son's sexual desire Haruka exceeds the limits of a slut, and he keeps coming for more! He cums so much that he convulses, and she fights back!