[GVH-874] [FANZA Exclusive] Mother-Son Incest Yui Mamiya Panties and Cheki Set

Recently, for some reason, Yui's nipples have become swollen and her sensitivity has increased. Although the hospital diagnoses no abnormalities, she shows him her enlarged nipples just in case, deciding to report them to him. "Don't stare at me, it's too embarrassing..." When his mother's swollen, reddish nipples were exposed right before his eyes, a lewd feeling surged through his heart. "I can't believe your nipples are that sexy..." And to help Yui worry, the son volunteers to give her a nipple massage. But as expected, the nipple stimulation makes Yui climax loudly! Seeing Yui climax wildly right before his eyes, his son's arousal doesn't subside, and the two open the door to forbidden mother-son incest... #班長P