I thought it was a horrible idea, but when Eliza wants to do something, I can't stop her. She decided that she wants to tell her boyfriend, Mark, that she squeezes my balls.
"Why would you tell him? It's just going to freak him out," I said.
"Because I want to have sex with him while I squeeze your balls. It's the only way I can figure to make that happen."
"But he could get angry with you, or accuse us of incest."
"He could," she said and paused, "but then he won't get his cock sucked."
I laughed quietly. Of course, she had a plan.
"And I'm really good at sucking cocks. I doubt he'll want to give that up." I knew I wouldn't.
"Okay, it's up to you."
Just then, the doorbell rang, and Eliza went to let Mark in.
"Hi Mark," I said as he walked in.
"Uh ... hi, Matt. What are you doing here?"
"I live here."
"Yeah, but Eliza invited me over to ... uh ... never mind."
I knew what he was going to say. She invited him over to have sex. This is already getting to be funny.
"Look, Mark, there is a reason Matt is here. Let me explain," Eliza said.
"It's simple, really. Since coming home from college, I've been squeezing Matt's balls. I've grown to enjoy it, and whether you know it or not, sometimes when I'm all hot and bothered to have sex, it's because I was squeezing Matt's balls beforehand."
"Really? You shouldn't be doing that. And what does this have to do with me?"
"Well, because I want to squeeze Matt's balls while I suck your cock."
Mark stood there like his brain was broken. "Uh .. I ... uh."
"So you can cause a problem, or you can get your cock sucked."
Mark's eyes looked over at me, then back at Eliza. "You want to squeeze Matt's balls while you suck me off?"
"Yes."
"Okay."
We all looked at each other, then Eliza took control. "Both of you strip, then sit on the couch over there," she said as she pointed at our couch. Mark quickly took off his clothes, and I did the same. The two of us had erections as we sat next to each other on the couch. Eliza took her clothes off slowly, the two of us watching every move, only getting harder and harder as she undressed. Then she knelt in front of Mark and took his cock in her hand. She guided it to her mouth and started kissing the head.
I watched jealously, it had to feel amazing. Just then, I felt her hand push between my legs. She found my balls and cupped them, then she squeezed as she took more and more of Mark's cock into her mouth. The squeeze started out gentle, but then got more and more firm. A warm pressure that inched closer and closer to pain.
"You're okay with this?" Mark asked me.
"Yeah," was all I could manage. I'm more than okay with it, I live for it.
Eliza took him deeper, letting his cock push down into her throat. Her hand kept squeezing my balls in rhythmic pulses. Mark's head dropped back against the couch. A low groan came from deep within him. Eliza's thumb pressed into my left ball, slow and deliberate, and something white hot shot up my spine. I tried to breathe through it. The pain wasn't sharp. It was a deep, heavy ache that made my toes curl.
“He’s close,” Eliza murmured around Mark’s cock.
“How do you know?”
She pulled off again, grinning. “His breathing.”
Mark looked at me then — really looked. Whatever he saw made him nod. “Don’t stop,” he told her.
Her mouth went back to him, faster now, her head bobbing in a steady rhythm. Her hand gripped his shaft, and she stroked it as she sucked on him. The room seemed to shrink, just the three of us and the sounds of her wet mouth on Mark's cock, his heavy breathing, and my own heartbeat crashing in my ears.
Then it happened. My whole body tightened, my hips lifted up off the couch, and a sound came from deep inside me that I didn't recognize. My cock spasmed, then rope after rope of cum blasted across my upper body, soaking my chest and stomach in jizz. My hands were in fists at my sides. The ache in my balls pulsed with every spasm of my cock.
"Holy shit," Mark muttered.
Eliza didn't stop squeezing until the last shudder, then she sat back on her heels, wiped her mouth off, and looked up at Mark.
"Fuck me," she said.
Mark jumped to his feet, pulling her up by the shoulder and bending her over the arm of the couch. He ran two fingers along her wet pussy, then aimed his cock and slid it into her. Eliza cried out as his cock pushed into her, a raw, ragged cry. Her hand grabbed my wrist, and she pulled me closer, then her hand shot between my legs. Her fingers clenched my over-sensitive balls, and she squeezed.
"My balls," I groaned.
She held on, even as Mark began fucking her harder and harder. Her mouth was open, panting, and her eyes rolled back in her head as Mark drove into her. Mark pushed deep into her, then stopped for a moment, holding it there.
The two of them tightened, and Eliza's fingers pushed deep into my balls. I cried out in pain at the same moment the two of them shuddered. Eliza's back arched - a long shuddering wave that started at her shoulders and rolled all the way down. Her grip on my balls tightened. I nearly screamed in pain. Mark moaned as his cock began throbbing inside of Eliza, emptying his balls into her.
They fucked for another minute as Eliza held my balls in a death grip. When she finally let go, I breathed a loud sigh of relief. I slumped forward and nearly fell on the floor. Mark pulled out of Eliza, and she dropped onto the couch next to me, and then Mark sat beside her.
Eliza glanced over at Mark. "We good?"
"Any time you want to do that, I'm in."
"I thought so."