Waka, a mother with large breasts, is troubled by the fact that she cannot find a cute bra. Her son, unable to bear seeing her go about her daily life without a bra or panties, scolds her and tells her, "You're embarrassing, mother." Recently, Waka has begun to feel her son's gaze on her breasts, and she wants to let him indulge in her breasts to his heart's content.