Kanata, a member of the volleyball team, is fed up with her younger brother who doesn't do anything around the house and just invites his friends over to play, but one day, her brother's friend attacks her butt and she feels it. Not only that, her brother also ravages her butt and her whole body, and Kanata's frustration reaches its peak. She rushes to her brothers when they let their guard down and tries to strike back with her big ass and have sex with them!