My Cheating GF

My girlfriend is such a dirty slut, I was in another state organising a new place for us, for about 3 weeks. We had to move due to flooding so while I went to set us up she moved in with her parents and younger siblings. I guess the time apart was to much for her, I flew back with a knew lease ready to pack up and go, eager to tell her and start a new life on the other side of the country. I landed in the evening and it was about 1am when I popped through the garage door, she stayed in the garage as the house was full. She and everyone else was asleep her phone kept buzzing. Ben was texting, hmm that's her younger brother and sisters friend, asking if she was up. I lay there burning but rock hard.

She's 23, Polynesian (Tongan) slim big tits and an amazing caramel ass, as a result of her looks she has taken a lot of dick everyway you can imagine and she often recounts her experiences to me while I pound away at her. I am white 28 British. The next day was average as we planned the move, I held out for the right time to pull her up. We went to bed her phone buzzed all day but she kept it close. We got into it she's face down ass up after some heavy petting, I spread her cheeks and dove in face first and licked her slit before swirling my tongue around her hole when her phone buzzed again, I stopped and asked if it's Ben. "Baby" she moaned "There's been someone else" I almost shot my load then. I lay beside her moved her hand to my cock but kept it still so I didn't shoot before I got all the details.

"No way, babe. BEN? How?"
"All of us (her sisters and their bfs + Ben) where watching movies down here until everyone went to sleep and it was just me and him, he had no way home and the parents didn't know he was here..."
My heart was in my throat, Ben just turned 18 and was the tag along white kid that hung out with her youngers.
"Okay so" my voice broke. "I dunno we cuddle up it was cold, I remember he touched me and I stroked his dick, we fucked."
My heart shrunk. "Fuck babe, why Ben? Why is he still texting you?"
"He's been coming every night almost when his brother gets of work and can drop him off"
Damn I went to school with that brother he knows where my GF lives. "Did you suck him, did you like it, what did you do with him?" hearts coming out of my chest but the hard on stays true.


"Yeah" she giggles but "he's way smaller then you babe, I enjoyed it but it was more for him, he got upset after a few beer's and told me over a joint he never gets any." "I had to cut him off when you said you where coming home, I think he fell for me and won't leave me alone."
I let her stroke me now " for how long, how did it go down"
She looked guilty which worried me but maintained a smile and a slow pace with her hand. "He'd text me to ask if the garage was open I'd answer yes or no, started about 2 weeks ago, he fucked me once."
I can't explain why that turned me on more, I thought of my hot kinky GF sucking a white 18 year old off nearly daily out of pity for no return. I went for a kiss but she continued. "He fucked me up the ass" silent pause as she gauged my reaction. I couldn't speak. "A lot....he was smaller and it felt....good".
I wish I could of lasted in that moment but at that point I tapped out, I told her I was going to blow and she quickly got on top and I blew I'm her hot pussy. My perfect GF of 4 years, who told me I was the exception the only white guy she ever got hot for, was getting buttfucked in her parents garage by her younger brothers and sisters friend in secret. Sucking his dick and licking his balls and getting her sexy caramel asshole pumped full of his dumb young cum.

Needless to say it was awkward when her sister got pregnant and he was named godfather and my GF now fiance was named godmother. He attends family BBQs and other events. Her family see him as a bro and if we all go out on the town. We wait til it all dies down before sneaking off to a hotel, we put her between us, she sucks and strokes me while he takes her because she knows I love to reclaim her. Out of respect for our wishes for a family he still only fucks her ass.

Sorry for the novel it's the highlight of my sexual life and i didn't want to miss a detail.