The team was ecstatic. They'd just gotten back from their latest battle. Bucky wasn't really sure who it was against, he didn't bother learning details like that, he just followed the directions the other Avengers gave him and kicked ass. During the fight, the main bad guy (Bucky had zero clue who he was) had surrounded Steve with some gas. It didn't seem to affect him at all, there was no pain and he still looked as strong as ever, which left the team wondering why the guy had bothered to do it at all. Not that anyone said that aloud, but they were all silently wondering about it. Steve had left the room under the pretence of 'cleaning up' but everyone knew it was so he could avoid their questions about the gas.

Bucky joined in the post-fight banter. He thoroughly enjoyed being an Avenger; especially when he got to work with Steve, which always reminded him of the old days when Captain America had just been 'created' and he still had both arms and short hair. Sure, the metal arm was useful in a fight but Bucky would always miss the feeling in that arm. After all, it was purely mechanical; he could feel a slight pressure in his shoulders telling him when to tighten his grip, let go or punch somebody. But he couldn't feel the texture of Steve's hair when he ran his hand through it or how warm and soft his skin was when they were cuddling on the sofa during movie night.

He was sat in the common room, surrounded by all of the Avenger s except Steve. They were all laughing, some drinking (mainly Tony) and just partying in general. He was mid-laugh when he felt his phone vibrate in his pocket. Pulling it out, he smiled when he saw Steve's name on the screen and opened the text Steve had sent.

Come here. DO NOT bring anyone with you.

That was a little strange. It wasn't uncommon for Steve and Bucky to 'celebrate' a win, if you know what I mean, but Steve was normally much more flirty when he wanted Bucky. This was different, and Bucky didn't know what to expect. Mumbling a quick 'back in a sec' to Natasha, Bucky left the room as quick as he could and headed for Steve's bedroom; his once excited mind now just running through all the terrible scenarios that Steve could be in right now.

When he was outside Steve's room, he knocked gently on the door. "Steve? Stevie, are you there?" His voice was soft and gentle, hiding all the signs that he was internally freaking out right now. There was silence. Bucky's mind went into over drive but he didn't knock again, he stood their panicking before he heard someone speak.

"C-Come in, Buck" It was Steve, but he sounded scared and weak and nervous. Slowly, cautiously, Bucky opened the door. He looked around Steve's room but couldn't see him. It was then that he noticed the bathroom door slightly open and the light on. Without a second's though, he walked straight over to the bathroom and opened the door, his eyes instantly finding Steve in the artificial light.

The sight wasn't what he expected.

Steve was sat in the edge of the bath, looking up at Bucky with those wide blue eyes that normally made Bucky feel so loved and happy; now they just made him scared and worried as all he could see on Steve's face was fear. Bucky stood there, completely frozen.

"B – Bucky? Bucky say so-something-g" Steve pleaded, the fear on his face growing as he looked up at Bucky. Bucky was still processing what he was seeing. Steve looked like… Steve? But not the Steve he was used to seeing, no, it was the Steve he hasn't seen in a long, long time. He was tiny. His arms and legs were thin as twigs and he face was smaller and thinner. He looked as though he was would break if there was a gust of wind, he'd just snap right in two. His jaw line was no longer sharp and rigid but smooth and soft. Everything about the way he looked now radiated 'weak' instead of 'America's national treasure'.

It was as if Steve had never received the super-solider serum at all.

"What – What happened?" Was all Bucky could think to say. He stood there, staring wide eyed at the now tiny Steve.

"I – I don't know. One minute everything was normal, then I passed out and woke up like this" Steve sniffed at the end of his sentence, clearly on the verge of tears. Having known Steve since he was 11, Bucky noticed this immediately and moved to sit next to Steve, putting his arms around the smaller man's middle.

"The gas" Bucky mumbled, more talking to himself than to Steve.

"What?" Steve asked, turned so he could look into Bucky's face, only a few inches from his own.

"That gas. The stuff the guy surrounded you with during the fight. It must have caused this! You didn't react to it in any way yet the guy still seemed please you'd breathed it in. That was for a reason. He knew this was going to happen!" Even though he was finally beginning to understand what was happening, Bucky was getting angrier and angrier. That guy did this on purpose to his Stevie. Bucky was going to have to make him pay for that.

Steve looked a little surprised for a moment before finally understanding and nodding.

"We need to tell the rest of the team Stevie…" Bucky let his voice trail off, knowing Steve wouldn't like the idea of telling everyone. "You won't exactly be able to hide this forever."

Steve gave a nervous laugh, trying to put off agreeing with Bucky. He knew he had to tell the team. He was zero use to them while he was like this, he couldn't throw a punch to save his life and running down the stairs would send him into an asthma attack. He couldn't be Captain America while he was still the original Steve Rogers. He hated the idea that he was useless, that he couldn't do anything; just as he had hated it when the Second World War had first started, but there was nothing he could do about that now. He had to make the rest out of the situation.

"I guess your right…"

The team were surprised to say the least. They were used to seeing all kinds of unusual shit but this was taking it to a new level. And deep down, every single one of them couldn't help but think that Steve looked adorable like this. Not that they would ever tell him that. It wasn't that they were scared of Steve – quite the opposite – but they all knew he had hated it when he looked like this and decided to ignore the way he looked for now. There main problem now was – what are the Avengers going to do without Captain America? He was the boss, the man in charge of their little team since Steve, Sam and Nat had taken down SHIELD. But now he wouldn't be out there with them in the fights, instead he'd be stuck in the complex with nothing to do but worry about his team getting home safely and getting the job done.

They all had no idea when this was going to wear off – if ever! So they decided the best thing to do would be to keep Steve in the compound and away from danger. He wasn't allowed out of the compound at all. If he went out then there was a chance that one of their enemies would find out about the situation and use it as a way to get rid of Captain America once and for all, or Steve would get himself in a fight for protecting someone and ended up beaten to a pulp. Obviously, Steve hated it.

One day, about 3 weeks before Steve turned into his dweeby old self, Bucky decided to try and cheer Steve up. He'd known him all their lives, he knew this was killing his best friend and wanted to help. He went towards Steve's room and, upon finding the door wide open, went inside. He found Steve sat on his bed, grumpily doodling something in the notebook Bucky had bought him for Christmas.

"Hey Stevie" Bucky smiled as he greeted him but Steve didn't look up; he simply mumbled a hello back.

"C'mon Stevie, this isn't so bad! Think of all the fun we had before you were given the serum!" Bucky moved to sit down next to Steve, putting his metal hand on his shoulder and giving it a light squeeze.

"Bucky I can't do ANYTHING like I'm like this! All I can do is sit and watch you guys save the world!" Steve had been very quiet up until this point so when he suddenly shouted his argument Bucky nearly fell of the bed with surprise.

"Steve. When we were young we managed to do all sorts and look at how much fun we had! I'd love to go back to when we were kids and live like that again." Bucky was beginning to get desperate now, wanting Steve to see himself in the way Bucky saw him, the way America saw him.

"Well this is the closest you're gonna get to that! The whole world has changed! It's been 70 years Buck, the world has changed so much! We've changed so much! I'm Captain America, saving the world with the Avengers and you've got a metal arm now! We aren't those two kids from Brooklyn anymore!" You could almost hear Bucky's heart breaking into tiny pieces as Steve spoke.

"I get that, trust me, I know things have changed, but for tonight why don't we just pretend nothing has changed?" Bucky got less and less confident the more he spoke. Normally he would be confident and outgoing around his Stevie but, with the way Steve was acting now, he was quite the opposite.

"W – What do you mean, Buck?" Steve's attention was all of a sudden on Bucky instead of himself. He was looking at Bucky in such a questioning way you might have thought Bucky had asked him what the meaning of existence was. Bucky gave a laugh.

"We could just pretend that we're still those late teens from Brooklyn and do all the stuff we used to do?" The more Bucky spoke the more confident he was growing. He could see in Steve's face he still didn't quite understand what he was saying, but Bucky knew that the minute Steve did catch on there would be no stopping him.

"Like what, Buck?" His face was still confused, his eyes glued on Bucky, absentmindedly wringing his hands together. This time, Bucky was determined to be as direct as possible.

"Each other." He had the widest grin on his face as he spoke, his eyes going a little darker but not leaving Steve's for a second. Realization spread across Steve's face, and he began to flush bright red. God, Bucky had forgotten that pre-serum-Steve had been a full body blusher. They both sat there staring at each other for a few moments before Steve nodded quickly and pressed his lips to Bucky's.

I haven't been kissed in a really long time… God his lips are so soft, so small, my Stevie

Bucky couldn't stop his mind from wandering as his mouth moved with Steve's. His brain was filling with all the memories that he and Steve made before the war, and occasionally during the war. Bucky had made a life for himself and tried to forget about his 'Winter Soldier' identity but then been found by Steve, which he wouldn't have minded but when your first love, your teenage sweetheart shows up just when you're making a life for yourself you can't help but think you're going to live happily ever after together and then the opposite seems to happen? It kind of hurts. Steve had treated Bucky well, like they were best friends but they had been so much more than that and Bucky couldn't help but miss it. But that was all in the past.

Steve is here. Now. And he's kissing him. Now.

Bucky hums into Steve's mouth as the smaller man grabs fistfuls of his shirt and pulls him closer, almost falling on top of him. He grabs at Steve's hips, digging his nails in the skin just under his t-shirt. Bucky can feel Steve falling to pieces under him, melting into Bucky's touch. He moves his mouth down to press soft yet hard kisses to Steve's jaw and neck, earning little gasps and moans from the latter.

"Buck – Bucky, oh God! That feels good!" Steve's small body is shaking underneath him, too worked up to think straight. Bucky hums more in response, making the small man moan louder.

Moving down Steve's neck, Bucky began to slowly unbutton the smaller man's shirt. Pausing for a moment to soak Steve's tiny frame, he tugged the shirt down from his shoulders and onto the floor. So many more memories were flooding into his brain. The first time he and Steve has kissed, under that tree in the park while it was raining. The first time Steve had been brave enough to take his shirt off in front of Bucky after spending all his life being so self-conscious about the way he looked. Then there was the day that they lost their virginities to one another.

Bucky was beginning to move lower, but as he reached Steve's naval, he felt the smaller man begin to pull at his tee in a feeble attempt to rip it off him. Glancing up at Steve, a loving yet mischievous smile on his face, he reaches up and pulls his t-shirt over his head and throwing it down onto the floor to join Steve's. Nails digging into Steve's soft skin, Bucky leans back up his body and pulls Steve back into a hungry kiss. Both so desperate, so needy at this moment they don't care about the mess they're getting into. Tongues and teeth clashing like neither had ever kissed before, saliva coating their chins.

The kiss lasts a few minutes until Bucky realizes he needs to come back up for air. Throwing Steve that mischievous smile again, he dives back down to his stomach, pressing little kisses all the way. Instead of moaning loudly like before, Steve only makes small gasps, his fingers running through Bucky's long hair. For a second Bucky remembers the way Steve used to grab his hair during the war, after he'd been given the serum. Steve would pull on his short hair as if his life depended on it, in an attempt to stay quiet and not wake the other soldiers. The thought of nearly getting caught would always turn the both of them on, and is doing so to Bucky as he simply remembers the feeling.

Bucky moves lower still to kiss at the area of skin just above the waistband of Steve's sweats, his chin accidentally brushing against Steve's cock as he goes, earning small yelps from the smaller man. Steve tightens his grip on Bucky's hair; not enough to hurt him, Steve doesn't have to muscles to do that anymore, but still enough for Bucky to fucking LOVE it!

"What do you want me to do, doll?" Bucky can't help but ask; he's a textbook people pleaser. He wants Steve to enjoy this as much as possible; a small part of his brain thinks that if Steve loves this and remembers the way things used to be, then things will be that way again, that Bucky will have his Stevie back and nothing will matter.

"Buck – Bucky" Steve can't think straight; it's been forever since he's done anything like this with anyone.

"Use your words, baby" Bucky coos, loving the effect that he's having on Steve.

"Y-your mouth – I want – Fuck, Bucky" Steve leans back and presses his head to the pillow, suppressing a moan. He wants this, he wants Bucky so bad, he doesn't know why they haven't done this in ages but he knows this won't be the last time they do.

"Sure, gorgeous" Bucky teases pressing his hand onto Steve's crotch. Steve's breathe hitches in this throat as one of his hand slide from Bucky's head and cling to the bed sheets. Bucky can't help but be thankful Steve doesn't have any of his super strength right now; he'd rip the bed sheet in two.

Bucky continues to mouth at Steve's skin as his metal hand keeps applying pressure to Steve's crotch. A small part of Bucky is worried that he'll hurt Steve with the metal arm but he's had pretty good control over it recently, but the thought still lingers at the back of his mind.

After a few minutes of Steve whining and begging for Bucky to suck his cock, Bucky finally obliges. His metal hand pulls Steve's sweats down to the middle of his thighs and his dick springs up, free of its confines. He's delighted to see that Steve didn't put any boxers on earlier.

"No underwear, eh? It's like you knew this was gonna happen." Bucky can't help but tease him, he's just so adorable lying there, barely able to function.

"Didn't – have any – my size – oh Bucky please" Steve's being so good, Bucky can't deny him what he want any longer.

He takes Steve's dick in hand and places the tip in his mouth, swirling his tongue over Steve's slit. Steve's hips jerk upwards, forcing him further into Bucky's mouth, making himself gasp. Bucky loves all the little noises he manages to get out of Steve, and he is determined to get as many of them as he can.

Pushing himself further onto Steve, he feels the tip push against the back of his throat, making him gag a little bit, but nothing he doesn't enjoy. Steve moans again, pulling slightly on Bucky's hair. Bucky pushes himself further, until his face is pressed up against Steve's warm skin. He's struggling to breathe but loves it. He hums a moan with Steve pushed slightly down his throat, making to smaller man moan out too.

Bucky bobs his head a few times, each time making Steve gasp or moan his name. Another memory pops into his head as he continues to suck him. Before the serum, Steve never really managed to last that long, only a few minutes max. After he was given the serum he lasted much longer, they could go all night given the chance, and Bucky loved that, but he still missed his little Stevie sometimes.

"Clo – Close" Steve managed to mumble through to mist of all the moans and gasps echoing around the room. Almost instantly Bucky pulled off him and pushed the rest of Steve's sweats down his legs to join their shirts on the floor, leaving Steve lying naked on the bed.

"You're gorgeous, you know that?" Bucky can't help but take a moment to admire Steve's small frame but he's quickly brought back down to earth by his aching cock in his jeans. Taking his own trousers off and pulling his boxers down, he reaches up over Steve to rummage in the top drawer of the bedside table. If Bucky knows Steve then he knows there will be a bottle of lube and condom in there somewhere.

Finally finding both the items, he quickly rolls the rubber onto his dick and squirts some lube onto both hands. His left hand, the metal one, goes to rubbing his own cock, lubing himself up whilst his other hand softly circles Steve's hole.

"Oh god Bucky, Bucky Please" Steve's whole body was shaking with anticipation as Bucky just kept rubbing his finger around and around his hole with barely enough pressure instead of just fucking him senseless.

After a few moments of continuing to just stroke Steve, just long enough to make Steve think he wasn't going to get what he wants yet, Bucky pushed his finger into him, making Steve scream out. He was only knuckle deep so decided to go further after Steve had finally stopped squirming underneath him. Once his entire middle thing was as deep inside Steve as he could get, he paused for a moment to let Steve adjust.

Steve's breathing evened out and Bucky began to move his hand forwards and backwards, earning small gasps and deep moans from Steve.

"Buck – Buck I'm ready get on with it!" Steve really is desperate. He knows he won't last very long and he really needs Bucky to fuck him and at this rate that will never happen before he comes. "Buck please"

Pulling his hand out, Bucky checks that he's got enough lube on his cock so he doesn't hurt Steve; that's the last thing he wants. He does, so he lines himself up, lifting one of Steve's legs up over his shoulder.

"Ready sweetie?" Bucky winks at Steve as he nods urgently, silently begging for Bucky to just get on with it.

Steve almost screams as Bucky pushes inside him, quick at first but moving slower once he's inside. Steve hisses, gripping the bed sheets as tight as he can. Once Bucky's all the way in, he stops, whilst Steve's hole spasms around him, trying to get used to the intrusion.

"Goddamn it Bucky! Move!" Steve yells at him, completely fed up of waiting.

"If you say so…" Bucky grins that mischievous grin again and winks at Steve, making Steve instantly regret what he said. Very slowly Bucky pulls out until his tip is only just inside Steve, then pausing there for a moment, pushes himself back in as hard as he can, making Steve scream at the top of his lungs. He does it again, slowly pulling out, pausing and pushing back in as hard and fast as he can. Steve's mind as gone completely blank, all he can think about is Bucky inside, the mix of pain ad pleasure and then suddenly Bucky hits his prostate. Steve screams a sort of tangled scream as tears start to form in his eyes.

Bucky notices Steve's reaction and aims for that stop every time, and being successful every time. Steve can't move, he can't think, all he can do is lie there and take it and he's loving every single second, wishing this would last forever but knowing it will all be over in a few short minutes.

"You getting close for me baby?" Bucky has to ask, there is no way Steve would be able to tell him in this state. All Steve does is nod as he continues to scream. Bucky can't help but feel sorry for the other avengers, they have to be able to hear them right now. Every time Bucky pushes into Steve he grunts, he's enjoying this much more than he thought, much more than he remembers ever doing with Steve before.

Reaching between them, he takes Steve's cock in his hand and begins to pump, earning more strangled scream from the smaller man. He knows Steve won't last much longer like this, and at this rate, neither will he.

"Come for me, doll" Bucky coos, as he thrusts particularly hard into Steve again. And Steve does. His whole body goes rigid as Bucky continues to press into him and pump his cock. There are no screams, Steve's small form is completely silent as white liquid squirts out the end of his cock and lands on his chest. His hole is spasmming more and more and finally he send Bucky over the edge too. He's leaning down over Steve, pulling him into a rough kiss as he comes inside him, his thrusts getting sloppy.

Slowly, they both come down from their high, Bucky rolling over to lie on the bed next to Steve. Both of them have come on their chests and its slowly leaking out of Steve but neither of them care at the moment; they're still in bliss.

"I'd forgotten how good you were at that" Steve giggles as he begins to come back down to earth. He rolls onto his side so he can look at Bucky, they're both tired but extremely happy. "That won't be the last time you do that to me"

Bucky can't help but grin, that small plan in the back on his head might actually have worked! Steve wants him! But he's not going to push that right now. Instead he just leans forward and pressed a soft kiss to Steve's lips.

"Whatever you want, baby doll"