I am in a 3years old relationship with Catalina, my girlfriend. Lately she's told me that she would very much enjoy experimenting a threesome but with another man. And during that threesome i would only have my cock sucked, not being allowed to penetrate anything else, just her mouth.This has been one of my fantasies ever since we are together and i am looking forward in exploring this fantasy and share her with somebody.I am 20years old, she is 21.