"Did you forget something?" Yuko asked awkwardly as she straightened her disheveled clothes. She had been masturbating after seeing her son off to school. But for some reason, her son was right in front of her now. He had seen her. What should she do about this awkward atmosphere? As she was racking her brains, her son suddenly lunged at Yuko's crotch. He seemed excited and began licking her ferociously. Of course, Yuko resisted. But her body, which had stopped masturbating just before climax and was in a state of edging, could not help but feel pleasure from her son's cunnilingus...