Your step sis wants to work out but she needs a spotter. You volunteer to help her. all you can focus on is her beautiful ass while doing barbell squats. She takes off her shorts and exposes her pretty pussy. Your fingers wander inside there. She loves it. She begs for more. She starts sucking your cock. it's really good. You fuck her passionately. She moans with pleasure. you cum all over her body. She loves working out with you.