When it's just me and my step-mom at home, she loves to invite me to shower with her. She always finds a way to touch my big ass and make me feel so aroused. One time, she even showed me how to pleasure myself in the shower, teaching me how to rub my pussy just right. But what really gets me going is when she suggests I try anal play while she watches and masturbates. I can't resist her naughty propositions