Incest Mother turning into a woman

Yuri, a mother who lost her husband two years ago, is raising her only son, Tomohiko, on her own. Tomohiko looks worriedly at Yuri, who has started working at night to support the family's tight budget. Tomohiko's mother looks like a different person with her heavy makeup and flashy clothes... Tomohiko begins to think of her as a woman without even realizing it. One night, Yuri suddenly announces that she is quitting her job, crying and hugging Tomohiko. In the silence, the two naturally touch each other's lips...