A girlfriend's passionate response to a surprise anal test

A guy with an average body and a big dick surprised his girlfriend with a test of her ass. He caught her off guard, but she was excited to prove herself. She bent over and let him slide his cock into her tight asshole. She moaned in pleasure as he fucked her hard and fast. The guy took her from behind, stretching her ass to the limit. He pounded her ass relentlessly, making her scream in ecstasy. The girl loved being fucked by her boyfriend and she couldn't get enough of his big black cock. The guy came inside her ass, filling it with his hot cum. The girl was satisfied with her performance and she couldn't wait to try it again.