Yoji watched as His sister took his penis into his mouth, the feel of her soft lips wrapping around the head of his cock felt so amazing.  The took it a little deeper the feeling send goose bumps up his back and neck. Deeper yet and he was in heaven.  "Mmmmm he moaned" It felt so amazing "Suck it sis, Suck it good. When I come I want to cum on you like they do in those pornos"