A mother with a lustrous, pretty, and elegant figure. But her body is erotic, with a voluptuous body and a big, firm butt hidden under her clothes! A man is seduced by the sagging butt of a mature woman, which exudes the scent of lust! A son who is sexually interested in his mother, who is twice his age, is on the verge of losing his reason! His son's sexual desire, unable to resist her lewd body, stirs the mother's Kokoro. The mature woman's body burns hot while thinking that it is outrageous that she should be made to feel hot by her son's affection.