"Yes, if you aren't lying, show me this larger than nine-inch dick." She reached out and started taking his belt off. Now Gio was pissed. He grabbed her hands and stopped her. "Get off me. You want proof that I'm not lying to you fine, I'll give you proof." He shoved her off him, stood up and dropped his pants on the ground. His enormous cock was instantly released from the confines of its prison, and like every night when he took his pants off, it started getting hard from the relief of the pressure his pants put on it. Then it grew to its full size. His sister just...