Cheating Makes Their Bonds Tighter

Isabella De Laa just can't catch a break. Every time she comes to visit her stepsister she runs off to go do something else and leaves her alone. This time, though, Isabella isn't QUITE alone, finding her stepsister's husband lounging around the house. Well, if she can stay up all night listening to them have sex in the next room, then maybe she deserves a turn riding his cock too. What her stepsister doesn't know won't hurt her, right?