That JAV

Reina's husband is posted abroad by himself, and she lives with their son Shogo. Shogo's friend Shinichi is a grown-up, and when he sees Reina, he says, "Shogo's mother is as beautiful as ever. Hearing this, he becomes aware of Reina as a woman. Then, he witnesses Reina masturbating on a daily basis because she is lonely because her husband has moved out of the country.