Fujimori Ayako, a fair-skinned milf with big tits, is under the care of her brother-in-law, who has been assigned to look after her. Suppressing his growing feelings for her, he finds himself emotionally stirred by her voluptuous body and pale skin. One day, he secretly witnesses her masturbating. That moment shakes him deeply, sparking a new plan in his mind. Torn between desire and duty, he faces a difficult decision about his forbidden feelings for Ayako. From Taiyo Tosho's Women's Lecture label, part of the Between Caregiving and Sex... series.