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You continue to watch, as he plunges slowly but steadily into her ever stretching pussy.

"God, you are so tight, baby!"

"Ugghhhhh... please..... faster....." comes the moaned order from her.

You watch, all you can see being his ass grinding between her opened legs, and you rub your erect penis through your pants.

"I'm gonna cum baby... you're too tight....I'm....gonna... cummmmuuuggghGGGHHHHHH..." as he violently pushes into her, and instantly collapses onto her.

"I can be of service to you," you say looking directly at her.

"WHAT THE FUCK...." comes the shout from him, as he tries to cover his and her modesty.

"I said, I can be of service to the women who looks unsatisfied... despite the impressive dick you have," as you undo the buttons on your chinos, dropping them to the floor along with your jocks. Your large, engorged penis falls out and stiffly bounces in a circle. The couple say nothing, they look in shock. You continue to step out of the chinos and jocks wrapped around your ankles, and remove your shirt, presenting yourself fully nude, armed with the equipment to finish the job.

".... I.....I... don't mind..." comes the innocent female voice.

"WHAT? Are you serious? You want this stranger, this creep, to fuck you?"

"We're not even going out, why do you care?"

"Coz....coz...."

"Don't worry, you're bigger than him...."

He seemed to perk up with that, and gave you (and your penis) one final look over, then stood up. He started to stroke his member back into action, just as a way to say 'fuck you'.

"I am bigger.... and don't forget that," as he stares directly into your eyes.

You stand above the spread eagled girl, the smell of excited pussy filling the room, her hairy pussy exposed to you. You glance over at the guy, and for thr first time a proper look at his penis, his exceptionally fat penis, and start to think maybe you've bitten off more than you can chew.