A woman remarried to a divorced, child-rearing businessman. Worried about her grown son who stays shut up in his room at home, she cared for him gently as a mother, even though it was just by obligation. One day, the stepmother entered her stepson's room to cheer him up, and found her own panties missing from the laundry. Seeing her stepson frantically apologizing, the stepmother, troubled, forgives him with a gentle embrace. However, she's about to be pinned down and penetrated by her excited stepson...!
