Having awakened to her sexuality, Urara reads dirty books every day. While her brother is helping her with her studies, she uses the dirty books as a reference and has sex with him. Urara is completely fascinated by the pleasure of a dick!! Her father knows about their relationship and is jealous. One day, Urara witnesses her father's dick. Urara, who is only interested in dicks, becomes excited by her father's dick, so she abandons her brother and starts having sex with her daddy. A constant stream of cheating between parent and child.