After UST comes RST, so I hope you enjoy.

Again an extra special thank you to the wonderful alphaflyer who provided invaluable feedback and beta-help and said, "Post it already" :D This story is so much better because of her. This story is so much better because of her. All remaining mistakes are all my own.

Read at your own risk :) Feedback is very, very appreciated.

While the way back to the base will always be a bit of a blur, the rest of the night was utterly unforgettable. We snuck back on the base the same way we had left, unnoticed by anyone. I almost felt bad for the Army, but it was a fleeting thought and after all, we were trained spies. Standing in the shadow of the barracks our team had been assigned to, I found myself with an armful of Natasha.

"What now?" she asked.

I didn't want to spend the rest of the night alone. I wanted to stay wrapped around her, feel her close to me. But we had only been assigned communal quarters for the night and I shared a room with Coulson, who'd met our team at the base. He'd coordinated the OP from afar, but now he was definitely too close. So, that wasn't gonna work, fucking budget restraints...

"What do you want?"

"I want to be with you, whatever that means."

"So, we are really gonna do this? You know this is not a onetime thing, right? 'Cause I don't want that with you, I want..."

Putting a finger on my lips to silence me, she grinned wickedly. "Shut up Barton, don't be a girl. I'm in this the same as you are. All or nothing. So I'd say get a move on, I don't have all night." With that, she took away her hand and kissed me fiercely around the stunned grin etched on my face. I couldn't help thinking Man, what have I gotten myself into? I couldn't wait to find out.

She took me by the hand and led the way, explaining, "I have a room of my own, in the women's quarters. We just have to sneak you in there. But that shouldn't be a problem, right?"

Ok, that definitely beat my idea of camping out on the roof… Come on, you didn't see that coming? The Hawk and the roof, yep, as cliché as that sounds, it came to mind. But well, roof in December, not a very good idea, there would be shrinkage, no doubt. And after our little talk, I was sure we would find another opportunity to utilize some unsuspecting roof one time or another.

Sneaking through the empty corridors to Natasha's room, I felt like we were teenagers in some bad Hollywood romcom, tip-toeing past their parents to spend some alone-time. Neither of us had ever been a teenager like that, of course, and I suddenly felt sorry for our younger selves. I squeezed Nat's hand and she turned around, her head pitched slightly to the side, quizzical. I smiled at her, swallowing the lump in my throat.

"It's nothing", I whispered and "Keep moving," was added with a waggled eyebrow.

Nat, rolling her eyes in response, made me grin and stuff those weird thoughts from a moment ago into the dark vault they belonged in. So what, our lives as teenagers had been crap, we'd just make the most of what was now, screw everything else!

It turned out that the women's quarters were in the corridor parallel to the one housing the men. Ducking from doorway to doorway, we made our way to her room, almost running into a soldier making her way to the bathroom. We quickly snuck into the next-best door, a supply closet as it turned out, and waited for her to pass, giggling like children, pressed close together. Taking care that the danger had passed, we hurried on, Natasha tugging me along and through the door to her room. Hardly sparing the time to check that the door was closed, we were in each others arms, kissing, hands everywhere, shedding boots and clothes left and right, caressing every newly bared inch of skin.

She left a trail of kisses down my throat, sucking on the skin above my clavicle. My hands were gliding from her hair over her shoulders to cup her breasts, playing with her nipples and eliciting a soft moan of pleasure from her. She sucked my earlobe into her mouth, nibbling on it, pleasure coiling in my abdomen. And then her mouth was on that one spot behind my ear that always drives me wild and I sucked in a frantic breath. Her fingers found their way to my stomach, tracing the contours of my ribs before finding the trail of hair leading from my navel to my dick, which was getting more than a little excited by all this. But before addressing him, I wanted to lavish all my attention on her and her body.

We stumbled the rest of the way to her bed and I was guiding her down, stroking and kissing every part of her torso I could get my mouth and hands on. I kissed her breasts, sucking the nipples into my mouth, gently nipping with my teeth. A high, keening sound left her mouth and she was undulating beneath me, her hands in my hair, guiding me where she wanted to be kissed. My hands trailed down her ribs until I touched the waistband of her pants. I undid the button and fly and pulled them down, taking her panties and socks off in the same movement. Here she was, the most beautiful woman I'd ever seen, lying completely bared in front of me, nothing but want and trust in her eyes.

"Damn, Tasha," I said breathlessly, "why do you have to be so fucking gorgeous?"

She laughed at me. "Shut up, you idiot!" And the next moment she was pulling me down for another scorching kiss. I lay down beside her, my hand gliding from her breasts over her stomach down to the small strip of hair above her mound. When I reached it, a shudder ran through her and I moved lower, brushing and gently parting her folds. I stroked her already wet pussy with my fingers, circling her clit and eliciting the most exquisite of moans from her. I dipped a finger inside and her hips rocked up towards my hand.

"More", she breathed and I added another finger, gently moving in and out, stroking her clit with my thumb. She moaned again and tightened around my fingers, meeting every move of mine with one of her own. The way she moved made my dick throb in my pants in anticipation. And when she shuddered and pulsed around my fingers, my name on her lips, I didn't care where we were or if anyone would hear us - this was the only place I wanted to be.

Breathing heavily, a smile on her face, Tasha said to me, "Your hands are weapons of mass seduction, has anyone ever told you that?"

"Tasha, there's only one woman I want to seduce and she's right here with me." I leaned down and kissed her, with all the love and desire I felt for her at that moment. Her fingers tangled in my short hair, pulling me close and she bit at my lower lip playfully, sending tendrils of pleasure-pain through me and making my cock ache in its confinement.

As if she could sense my discomfort, her hands deftly undid my pants and pushed them down, along with my shorts. My erection sprang free and she wrapped her hand around it, gently pumping and sliding her fingertip through the precum gathering at the tip. I groaned in pleasure; this was better than anything I had imagined in those nights I'd had my hand around my own flesh in much the same way, stroking myself to completion. But her hands felt so much better, it was already almost too much. Trying for distracting thoughts, I came up blank and just yanked her hand away.

"Stop, please Tasha, I…," I had to swallow hard and take a deep breath, I'd not been this close to coming prematurely since I was a teenager! She looked at me with a smug smile, like the cat that ate the canary, and straddled me. Grinding her wet pussy along my hard shaft, moaning at the sensation, she positioned the blunt head of my cock at her entrance and slowly sank down, not stopping until I had bottomed out inside her slick, silky cunt.

"God, Clint, you are bigger than I had imagined. Don't move! I need a second."

We fit together perfectly; she was so tight around me, it felt amazing. And the play of muscles on her face as I filled her, giving away her pleasure, only heightened my own arousal.

"You imagined my dick?" I panted, a little incredulous, savoring the sensation of being sheathed inside her.

She chuckled breathlessly, "Of course I did, have you ever looked at those uniform pants? They're not exactly hiding a lot."

She'd been imagining this, just like I had… Huh, what about that!? I inwardly thanked SHIELD for designing those uniforms and pushed up on my elbows. I rested my head against her collarbone, placing a kiss on her breast. Putting a hand on my shoulder she started rolling her hips, moving along my whole length, almost letting me slip out of her wonderful pussy before pushing down again, enveloping all of me again. She was tightening her pelvic muscles on every upstroke, increasing the pleasure immeasurably, her clit grazing along the line of hair leading from my navel to my dick. Angling my legs, I began thrusting up into her. Her arms wrapped around my neck, her breasts pressed into my chest. It felt so intimate, being enveloped in her arms, and the new angle made her gasp.

She moaned, "Oh god, yes, that's it!"

And with that I knew she was close. I let go of all restraint, increasing my rhythm. With a low moan she clenched around me, her face contorted in pleasure and her body shaking. Seeing her like this pushed me over the edge and I came, yelling "Tasha", her clenching pussy milking every last drop from me while my vision went white. I fell back onto the bed, cradling her to my chest, and kissed her hair, her brow, her cheeks; then her hands were cupping my face and her lips were on mine. We kissed, slow and tender now, all urgency gone.

Tasha slowly rearranged herself to lay beside me, her head on my chest, hand idly playing along my ribs. I sighed contentedly and hugged her close to me, savoring this moment.

I hadn't meant to fall asleep, and I guess neither had Natasha. But one moment we were laying together in a sated heap and the next someone was poking me in the ribs through our blanket cocoon. I startled awake to find myself face to face with Coulson. He was looking at me with an amused expression, yet seemingly unperturbed by the situation, handing me a cup of coffee.

"I, we, uhm," I stammered, taking the proffered beverage, feeling a blush creep its way from my chest to my hair. Nat stirred beside me, blinking her eyes at Coulson.

"Breakfast in bed? How nice," she smiled at him, seemingly unfazed.

"Well, I thought it was the least I could do. You just won me 50 Bucks."

"What?!" I admit I'm not at my sharpest immediately after waking, but Coulson had totally lost me.

"The betting pool on when you two would finally hook up," he said, deadpan.

"You didn't come back to the room last night, which by the way, is just on the other side of that wall. Which is very thin. Very. Thin." He pointed at the back wall and I had to stifle the sudden urge to pull the blanket over my head.

Shit. Hawkeye, World's Greatest Marksman. Trained spy, hard-wired tracking device, reputation for noticing everything. Bested by hormones and a beautiful woman.

Speaking of said woman, here she was, quietly sipping her coffee, not batting an eyelash; mask firmly in place. But then, she'd doubtlessly known all along where we were.

"Jesus," I muttered.

Coulson smiled the pedantic smile of the perfect civil servant he is.

"I'm pretty sure that's not the name I heard last night."