Your Step decides to give payback after you did all of what was asked by her (another clip). She will give you what you desire. She starts putting her sock feet and rubbing them on your cock. She gets that cock out to start working you with her expert footjob skills. She then slips off her socks to put her silky pantyhose soles on your swollen oiled up member. She can't take it, she wants you to explode so you puts her feet by your cock as she strokes you over the edge...Thanks Step-Sis!