My step-son spies on my big ass

Description: My step-son spies on my big ass - i have to clean the house, and i'm asking my step-son to play for a while on his play station, so i can move around the house unbothered. since it's a very hot summer i am wearing only a baby doll and thongs. i start scrubbing, cleaning, i go about my thing... and then i realize... he's right behind me spying on my ass! at first i find it inappropriate, but then i am thinking... if he wants to see more of my ass, i have something i want in return!