You were in the middle of a workout at home when your Step-Auntie Joana walks in and starts feeling horny looking at your muscled-up body pushing and thrusting on the floor. She offers to help you, to add some resistance for optimum gains and joins you on the floor. After helping you with your sit-ups, she offers a massage and can instantly see how hard you're getting with that huge bulge in your pants, and takes out your cock to suck it for a bit before standing and pulling off her dress to stand naked over you with her big natural MILF tits and hairy fullbush pussy. She squats down and rides your big cock, then bends over so you can fuck her from behind, until you're ready to blow and she lies you down and sucks your cock and swallows your load whole