Being taught how to make love by my father's lover

Accidentally having sex with my father's girlfriend (sex American Vietnamese sub). The father brought his girlfriend home to play. The son didn't know which local girl it was, she was changing clothes in the toilet. He accidentally saw it and was about to jerk off, but the girl found out and wanted to explain to her. but before she could say anything, she rushed to BJ that big-cocked prostitute boy