Russian girl thought it was fun to fuck in tight anal

Apparently guys who swear at their stepsisters have never had a sister like Mary Moore. Well, in fact, I overheard a conversation where the sister was going to give her boyfriend sex in the ass. I definitely can’t just pass by this event and therefore I simply blackmail Mary by telling my parents about it. As a result, the girl quickly understands the situation and finally allows herself to be fucked in the ass after an excellent blowjob. Now I keep thinking about how to repeat this... Tell me, did you have something similar?!...