The son, who is concerned about his mother's buttocks, which have always been big, but have recently become even bigger, succeeds in stroking his mother's buttocks under the pretense of giving her a massage. The son, fascinated by the elasticity of his mother's big buttocks, can no longer contain himself and starts to secretly touch and play with his mother's buttocks while she is sleeping. The mother is troubled, but she gives in to the request of her cute butt-loving son.