Sakiko Mihara plays Miyabi, a single mother raising her only son Wataru on her own, struggling with her inability to let go. As Wataru enters adolescence, he grows tired of his mother's clingy and overly affectionate behavior. When she embarrasses him in front of his friends, he finally snaps and unleashes all his pent-up frustration. A bitter argument erupts between mother and son, leaving their household strained and silent, filled with unbearable tension. Yet amid this turmoil, an unexpected shift begins to stir between Miyabi and Wataru—blurring boundaries and awakening forbidden desires.