Peeping at his hot Russian sister tidying up in the kitchen, her brother can't help but stare at her voluptuous, perfectly-rounded booty. His sister's booty is far more tantalizing than his beloved girlfriend's. Since incest sex doesn't count as cheating, the brother gives into temptation. He stealthily rolls up on his sis, giving her ass a spank, before reaching for his dick and pushing it into her pussy.