An amateur female college student with super flexible body honed over 15 years vs. a professional AV male actor in a fierce piston thrust. The unique duo challenges each other's pride!? The flexible college girl, keeping her soft body pose, is tormented repeatedly with vibrators and electrostimulation until she's overwhelmed. With her flexible hip joints, her legs are spread wide open beyond 180°, and her intimate parts receive the final intense piston thrusts, causing continuous spasms and unstoppable orgasms! Can the flexible body, cultivated through rigorous training, withstand the first-time pleasure and maintain the position!?
