ROE-089 I shouldn't lay a hand on my beautiful mother, but we have no blood relation... Riiko Hiraoka.

When you met that person, you were a nine-month-old baby... After the father's funeral, the mother revealed this shocking truth. As a child, I finally understood my feelings of lust when seeing my parents' acts. After the father died, my feelings for the mother became uncontrollable, and one summer day, I attacked her. The mother also gradually stopped resisting due to the guilt from lying continuously. Not only that, but she would convulse and reach orgasm repeatedly as I violently raped her...