I sleep with my girlfriend’s sister for thrills as part of a bet connected to her well-endowed behind that my girlfriend at the time fully supported and indulged in when I cheated на her

I am a silly teenager who carelessly engaged in an extramarital affair of incest with his girlfriend’s sister, to fondle those tempting curves. On the other hand the girlfriend of this guy joined in secretly, making this an interesting twist to our rather erotic romp.