Mack hung on to Kyle's arm and his every word as the pair of them meandered past alley after alley, looking for our lane, while I followed along behind. Somehow, I'd been tasked with carrying the bowling shoes--and the bill while they'd been busy making out in line behind me at the register.

It wasn't exactly what we had agreed.

I'd gone back to Kyle and Mack's apartments for two weekends after the first adventure, both times promising that the first trip had been a fluke and, both times, ending the evening in the same way as the first until, finally, Mack had said what we'd all been thinking:

"We need to talk about this."

"Justin and I already sort of have," Kyle said. "We're into...each other."

I remember being thankful that he hadn't said men.

"What about me?" she'd said.

"You know how I feel, baby."

"I like you, too," I said, feeling that it was expected of me. Mack had even seemed relieved.

"I like watching you fuck my boyfriend," she'd said. All three of us had writhed together at that. "I want us to be closer."

She'd kissed me and I her.

After that, we started going out together. Mack seemed to like that as much as the sex. She liked to be seen with us and, more and more, I liked it too.

For the first few weeks, we wore out every date idea we could think of—hiking, bar-crawling, fancy dining, mini-golf. Now it had come to bowling and, in all of those places, it enthralled me to know what the other couples we encountered must be thinking when they caught Mack kissing first one, then the other of us. I liked passing by families on the mini-golf course possessing the secret of what Kyle and I were going to do with Mack when we got home.

More and more, I was growing comfortable with whatever Kyle and I were to one another—best friends with benefits? Boyfriends? Still, I refused to label it out loud but, being seen, feeling normal, I was beginning to be able to label us in my head.

Mack was something different, though. In private, she gave me as much attention as she did Kyle—particularly after I had finished fucking him. But in public, especially recently, I had begun to feel like a third wheel.

Bowling had proven to be an excellent choice of venue, even if our relationship was feeling more and more out of my control.

Kyle and I unashamedly watched Mack's ass rise as she threw her ball down the lane. It struck with a clattering strike and she turned around with her hands in the air and her breasts giggling. She knew the game too well.

"With that," Mack said with a little spin, "I'm taking a whazz."

She leaned over for a kiss from Kyle and darted away, running a finger across my shoulder blades on her way by.

On screen, a bowling pin danced a tango with a ball while the work STRIKE circled it like a moon.

I leaned over and kissed at Kyle's neck.

"Ready for tonight?" I said.

"Not here, man," Kyle said, brushing me off. He didn't pull away completely, though. A finger slipped against my thigh.

I no longer cared what people thought of us—at least not on date night. Date nights had always happened in Kyle's city—close to his and Mack's apartment where we could quickly retire—and not mine, where my roommate would be too likely to interrupt. That meant that I only saw the pair of them on the weekends and, when I did, I often felt like the two of them had shared a lifetime without me. Every weekend, there was a new special joke, a new pet name, a new wink for me and two for Kyle. Mack and I had still spent very little time together and whenever I tried to edge closer to Kyle, she would get in the way.

"Come on," I said, chasing his ear with my teeth. "Quickie, while she's gone?"

"Shut up," he laughed, pushing my face away. The strike animation finished playing out and I stood up, catching Mack's ball as it rolled onto the rack. "We could follow her into the bathroom."

Jokingly, I made to go after her but, laughing, he pulled me down.

It was supposed to be our date night, I thought, childishly, not their date night.

Still, that was how all of these nights went. Mack chose one of us to be her toy for the night while the other watched and took it out in bed later. It was always been Kyle that she chose. Except that once, at the movies, when she had held my hand and let Kyle carry the popcorn. When she'd leaned her head on my shoulder, smelling of lilac. Only that night, Mack had gone to bed with Kyle and let me listen to her scream from the couch in the living room.

I rolled the ball down the lane. Hard. It struck the center pin and rammed through, tossing all aside but the last two, one in each corner.

"Oooh," Kyle called, "bummer."

I shot a glance back at him and waiting for the ball return, still thinking.

In name, they were both mine. My significant others. But only Kyle really seemed to want me. And thanks to Mack, I barely ever had him, except for when she wanted to watch. Mack fucked me alright—but she got Kyle to herself sometimes, too. I hardly ever did.

It almost made me laugh, thinking now how I had felt three months ago when this whole thing started. I would have rather drowned than think of myself with another man. Still would, in some ways. But Kyle was different. I wanted him.

The ball came back. I fingered its holes and tossed it unceremoniously down the aisle at one of the two corner pins. It missed.

"Bad luck," Kyle said when I fell back into my seat beside him and rested my head on his shoulder in mock defeat.

He shoved me away and got up to be ready for his throw.

"We should go out sometime," I said, suddenly brave. "Just the two of us."

He turned, ball in hand, and looked at me quizzically.

"Really?"

"You're the one who wanted me to accept this for what it is," I shrugged. "Let's go on a date."

Kyle grinned, turned, and bowled. The ball slid from side to side on the aisle until it slipped into the pocket between the 1 and 3 pins for a perfect strike.

"Okay," Kyle said with a grin, dropping back into his place while a bowling ball lassoed a pin on-screen. "We can go back to your place."

"Sure," I said, feeling a lump in my throat and thinking of my roommate, who knew nothing of my arrangement.

Mack's name flashed on the screen. I looked around, but she still hadn't come out of the bathroom.

"Should we...tell her?" I said.

Kyle shrugged.

"If she asks," he said. "It's not a secret."

He looked at me with a twinkle in his eye that said he wanted me to kiss him. I glanced down and saw that the lump in his shorts matched mine.

"I'm going to fuck your brains out later," he whispered.

No sooner had he broken apart from our swift kiss did Mack return, striding up to the ball return as though she'd seen nothing to scoop up her ball and deliver it down the aisle for a spectacular gutter. Mack was wearing a short plaid skirt and when she bowled, she kicked a leg up, revealing the lace of her black panties. She spun on her heel and laughed, doubling over.

Kyle got up and clutched at her sides, laughing along.

"Okay," he said. "Then, I'm going to pee, too."

He lifted her off the ground, planted a kiss on her lips, and left. Mack finished her bowl, putting away seven pins with her second throw and sat down. She passed me the ball as I stood up, letting our fingers touch.

"Now it's just you and me," she said, teasingly. "Were you looking at my ass?"

Her eyes flicked down to my still hard crotch and back to my eyes.

"Maybe I was," I said. "Is that a problem?"

"No," she kissed the tip of my nose and darted away.

I bowled another split. Then put one pin away and sat down next to Mack. I threw a casual arm over the back of her chair and she, surprisingly, relaxed into me, placing a hand on my chest. Unsure of what I had done to earn this attention, I brought my arm down to wrap around her shoulders.

"I'm really glad you're cool with all of this," she said. "I've been meaning to tell you that."

"What do you mean?"

"This is kind of my fantasy, is all," she said. "Sharing two guys. I'm glad you're not, you know, jealous."

Sometimes, when I lie awake at night at home, I could do nothing but picture Mack, naked, entwined with Kyle's body and I wasn't sure who I was more jealous of. They had each other full time. I was just the guy they brought in on the weekends to satisfy his bi-curiosity and her fetishes.

"You're not jealous?" I said.

She shrugged.

"I think it's hot," she said. "Kyle is jealous, I think."

That seemed to entice her even more. She writhed a little. I smiled when she kissed me.

"I wonder what people think is happening in this lane," Mack giggled, looking around.

There had been glances, I knew, when Kyle and I had had our whispered conversation. There would be more now that Mack was practically crawling into my lap.

"They'd be more confused if you did that again," I grinned.

While Kyle tried to keep our situation as far under the radar as possible, I noticed that Mack was itching to get above it.

To my continued surprise, Mack slipped almost into my lap and kissed me again, harder and longer. I tasted her tongue and slid a hand up the back of her shirt.

When she finally broke away, Kyle had returned and the parents of the family in the lane next to us were eyeing Mack and me with suspicion and annoyance.

"Break it up, you two," Kyle said dryly. There was a hint of annoyance there, too.

He took a sip of his beer, picked up his ball, bowled two quick throws and sat down with two pins still quivering on the aisle. Mack slipped out of my lap to make her throw.

I drove us back to Mack and Kyle's place with the two of them messing around in the backseat. By the time we'd gotten in the door, Kyle had her riled up and her panties were in his pocket.

She was on her knees before I'd even gotten my shoes off. I'd been hard since before we left the bowling alley. Now, my cock was out and in her mouth. Kyle was still putting away his jacket. When he turned around, he seemed surprised to see Mack with my cock so far down her throat.

I wrapped my fingers through her hair and forced my cock down her throat. She squirmed and giggled when I let her pull back. Kyle, shirt off, wrapped his arms around me from behind and kissed my neck.

"Let's go to the bedroom," he said.

"No," Mack said.

She pulled Kyle forwards by the belt loop and had his cock out in seconds.

"I guess there's no time," I said to Kyle as he vanished down Mack's throat.

He tossed an arm around my shoulders and kissed me. For a minute, I watched Mack suck on Kyle. Soon, it was clear that she wouldn't be switching to me so I went to my knees and joined her. She shared Kyle's cock with me for a while, then let me fondle his balls, and, finally, left me alone to do my work while she stripped off her clothes.

Kyle was dragged away from me when he lifted a now naked Mack into the air and pressed her up against the wall. I stood behind him, running fingers along the mounds of has ass while he fumbled his way inside of her.

Mack was laughing while the head of his penis sought her wetness. Then her eyes grew wide and she threw her arms around him, digging sharp nails up and down his back. Coats fell off their pegs.

"Yes, baby," she moaned. "Yes, baby, yes. Don't stop."

With nothing else to do, I removed my shirt and kicked off my shoes. I stepped out of my pants and pressed my body up against Kyle's to rub my cock against him. I kissed his neck, his shoulders, his back, desperate for any inch of him.

Finally, tired, he let Mack down off the wall and turned into my kiss. For a few moments, I had him; Mack back to her knees between us with first mine, then Kyle's cock in her mouth.

"I can taste my pussy," she moaned, letting a string of spit drip onto her chest.

Kyle lifted her to her feet again and bent her over the chest by the door, leaving me to grope at them helplessly. Again, I pressed my cock against Kyle's ass, subtly asking for permission. Sweat rose on his back as he fucked his girlfriend harder.

"Bring her to the couch," I begged him.

He grinned back at me and scooped her up.

Kyle threw her down on the couch. I sat down near her head and let her suck my dick from there while he kept pounding into her.

"Your turn," he finally said after a while.

He got up and Mack obediently waited for me. I slipped into her. She was wet and warm.

"Oh, yes," she hissed.

"Not exactly what I meant," Kyle said.

Beneath me, Mack moaned and ground her pelvis against mine, reach up to grip my ass and pull me into her.

I felt him move in behind me and the cold drip of lube onto my ass. I paused mid thrust, planting a deep kiss on Mack's lips while he climbed over me.

His cock went slowly into my ass. I watched the look of wonder and desire pass over Mack's face and knew it would be mirrored on Kyle behind me. I could only lie there for a moment, grimacing as it went in me but, soon, when Kyle had established a rhythm, I thrust back into Mack.

She was wild about it, hands reaching up to grip his chest as he worked, kissing me, kissing him.

In the end, I didn't know who came first—him in my ass, or me in her pussy.