The reclusive NEET son's unparalleled penis, which can't be put down, is used to pamper the busty mother with baby talk while breastfeeding and masturbating. (Junko Kujii, LULU-363)

A mother, spoiling her reclusive only son despite knowing it wasn't right, indulged him, even allowing him to perform sexual acts as a form of affection. Since failing his university entrance exams, he'd become a NEET (Not in Education, Employment, or Training) by staying indoors whenever his father was home. His only solace had become his mother's breasts. If he threw a tantrum, she'd make him squeeze her breasts, using breastfeeding as a form of masturbation. His desires escalated, eventually demanding vaginal penetration. Her extreme maternal love even extended to accepting his sperm…!