That JAV

Hiroki (her son), a ronin (a ronin who is preparing for an entrance examination), has been spending all his time masturbating, unable to get any work done. Yukie sees her son in such a state and, unable to hide her excitement at his strong penis, helps him masturbate as a form of sex education for his son, who knows nothing about women. She does not listen to Hiroki's request to finish, but when she sees her son's disappointment, she reluctantly accepts. Unable to get over his erection, Hiroki tries to penetrate her pussy again, but she escapes and he catches her, forcing him to fuck her. Hiroki then begins to seek Yukie without any care, and a distorted father-son love begins to emerge....