Amy sits on your testicles

Amy takes a little jump and slams her ass down on your balls! "HUMPH!" You wrench upwards but the restraints hold you back.

UGGGHHH! Stacey did the same thing to your opponent! You look down and see your hard cock twitching. It just shot a thin line of precum from the **** of her ass slamming into your orbs. You see too pink bulging orbs barely peeking from under her perfect ass. You can feel the warmth of her pussy grinding into your sack.

"unnnghhh fuuuuuuck" You groan as she starts to grind her butt into your package.

With her ass still grinding into your balls she slowly and gracefully lays backwards so that her head is next to yours. She closes her eyes and smiles "mmm are your testicles bulging? Can they handle my tight ass?" You grunt and try to answer "ugh fuck...I ...I don't know. Your ass is really hurting them" She grinds harder "hehe oh yeah?" she sits up and puts her full weight on your balls again. "UGHHHH!" her ass is literally starting to grind the cum out of your testicles. A bead of cum forms at the tip of your dick. Amy sees this and rubs her finger on your tip and then licks it. "Freshly juiced!"

You know you're in trouble. This girl is an expert!

You look over and your opponent isn't doing well either. His cock isn't so much dripping cum as it is leaking cum. A steady stream starts pouring out! Stacey laughs "think one already burst over here!"

Amy giggles "well we can't let him be all by himself can we?" Amy shifts all her ass weight to your left testicle. "fuck! FUCK FUC-" *SQUICK* your mouth opens to scream but nothing comes out. Amy just expertly rupture your nuts under her ass and your cock is like a fire hose. A stream of cum squirts out that almost hits your chin.

"Hmmm this isn't looking good for you guys...hey Stacey I have an idea!" they both get up and start discussing a change to the **** test. They whisper, then both smile mischievously, and then they both turn back to you and your opponent.

Okay boys let's make this interesting