You've been spending all morning with your Step-Mom helping do chores around the house and can't help but notice her big ass hanging out of her tiny shorts as she bends over to dust and scrub. She even has her nipples out at one point and seems completely oblivious. After chores she invites you to do yoga with her, but when you come into the living room she's wearing a tiny slingshot bikini while bending over and spreading her legs. You can see her bush, full ass and tits on display making it hard to focus. After your stretch you offer her a massage and she excitedly agrees. Once you meet her in her room she's already oiling up while wearing a skimpy dress with no panties. You are speechless. You begin massaging her big round ass while she works on her tits and pussy. Step-Mom can tell how excited you are and offers you to get cozy under her blankets so you can stroke yourself in private while she continues to show off, now in lingerie. Soon Step-Mom progressively gets nastier with the teases, jiggling her tits and ass in your face, offering a taste of her pussy and even helping you jerk off. You are both so wrapped up in pleasure that she helps empty your balls by teasing her big ass right in your face until you cum.