Let it cum

You speed up your humping, going faster and harder in and out of Juliet's tight little asshole, pushing Juliet over the edge and making her scream in pleasure. You let go of her legs to get a better grip of her hips, making your thrusting easier. Her legs fall to your sides, you no longer supporting them on your shoulders. Juliet brings them behind your hips and crosses them, making your hips press against hers. She holds your hips with her legs and starts to hump her own hips upwards in orgasm.

You watch as her hard cock starts twitching and finally orgasms. You watch in awe as her dick sprays a giant load of cum about 6 feet in the air. It lands behind the couch and you can hear it splash on the floor. She cums again and again, shooting her massive loads of jizz over her head. There is so much to take in at this moment and it feels like time slows down as you try to comprehend everything.

First of all, Juliet's face just screams "ecstasy". Her mouth his wide open, tongue sticking out. You can see both of her eyes rolled back in her head as she lets out tiny squeaks with each load she shoots into the sky. Her hands are gripping the couch cushions to keep her steady while her body twitches, turns and bucks with pleasure. Her legs press your hips into hers holding your dick against her prostate as she cums, amplifying her orgasm that much more.

While witnessing all this, your own cock, now completely buried in her unforgiving ass feels incredible. You start shooting giant loads down her ass, bucking your hips with each spurt.

A while passes and Juliet finally stops ejaculating. Her cock starts shrinking, being pumped dry and so does yours. She lets go of your hips with her legs and you finally pull out of her ass. As Juliet sits up on the couch, you take a seat next to her. You go in for a hug and she obliges. Her breasts feel soft against your bare chest and you can feel her wet cock touch your leg. Juliet goes back to her sitting position and starts fixing her hair. Seeing her all messy like that, really turned you on in the moment.

"Master, I want to thank you very much for this experience, I really hope it was as hot for you as it was for me..." She says and kisses you on the lips.

Alan from the research team speaks up through the speakers "Great job guys! Really successful test! A good performance from both of you. Juliet, you can just hang around in the room for now. Well clean up this place and let our little lab rat get ready for his next test."

You wave goodbye to Juliet and get back to your room, satisfied with the test.

You got the "Satisfied customer" ending with Juliet.