Two years after losing her husband, mother Yuri has been raising her only son, Tomohiko, single-handedly. Worried about her decision to take up night work to ease the financial burden, Tomohiko grows increasingly anxious. She now wears heavy makeup and flashy clothes, appearing like a completely different person. Unconsciously, Tomohiko begins to see his mother as a woman. One night, Yuri suddenly declares she's quitting her job and breaks down in tears, clinging to him. In the quiet room, their lips meet naturally...