Your big step sis catches you after she's been working out. She makes up a few excuses trying to seduce you, it works of course. She sucks your cock before riding you reverse cowgirl. You can see how wet she is, sliding up and down your cock. She calls out your name, moaning Dylan over and over. Then she turns around and rides facing you until you both orgasm together. You've been such a good little step-brother!