Lucky brother penetrates his lesbian sister's girlfriend

The first thing this guy thinks of when he sees his lesbian sister in the kitchen eating ice cream in a very nice way with his girlfriend is that he would like to have sex with both of them. But he knows it's crazy to think about fucking his sister, so what he does is come into the room and masturbate with some used panties from one of them. When his sister's girlfriend wakes up, she finds him with his cock in his hand and, as he is bisexual, does not hesitate to eat him. Then they fuck in the same bed and Uncle puts a slut in the slut that makes her very broken.