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Ace recognized him immediately, because of course he did. Hat or no hat, boobs or no boobs, Ace knew what his brother looked like, but Ace wasn't who Sabo was trying to fool.
Thankfully, Ace had the good sense not to say anything right then and there. Considering that Ace was also disguised as a marine at the moment, Sabo thought it was a good choice. Without even glancing back, he silently peeled off from the group he'd been walking with, and heard Ace's familiar footsteps fall into step behind him.
His haki led him to the first unoccupied office down the hall, and Sabo ducked inside, Ace hot on his heels. At the back of the room was a storage closet; Sabo twisted the locked doorknob until it released a metallic crunch and the door swung open. They slipped in, Sabo shut the door behind them, and not two seconds later the room was filled with the sounds of men chatting and laughing.
"Shit," Sabo muttered.
"Bad luck," Ace agreed.
Only then did Sabo turn to look at him. "The hell are you doing here, Ace?"
"The hell are you doing here?" Ace countered. "And looking like—?" There was just enough light spilling in around the door to make out the way Ace gestured at the state of Sabo's body. Sabo almost blushed.
"Needed intel," Sabo whispered. "Highly sensitive on our end. I'm impersonating an officer who's transferring here today; her ship was mysteriously delayed, so I've got a couple hours before she gets here. What's your excuse?"
Ace grimaced. "Deuce got captured."
"Shit. Do you need help? Where's the rest of your crew?" His mission wouldn't take long; he could help Ace as soon as he'd had a look at those documents.
"No, no, he's fine. We got him back. I just forgot to grab his book, so I came back to get it."
"Oh." Sabo stared at him. "Good."
Ace nodded. "Yeah."
The supply closet smelled like musty paper and stale sex. The marines outside were still laughing and chatting away. Sabo could hear Ace's even breathing mingling with his own. His eyes were on the door, but Ace's were on him. Even without haki, he could've felt them.
"Hey," Ace whispered.
"Yeah?"
Ace's hand found Sabo's waist and trailed downwards. Even through his borrowed marine uniform, Sabo could feel the banked heat that always sat under Ace's skin. "This disguise of yours."
Heat was already building between Sabo's legs. It sat a little differently than usual, but that didn't matter; Ace still stoked it like nothing else. "What of it?"
"How far does it go?" Ace's hand swept lower, over the still-slim curve of Sabo's hip. "How much have you got?"
Sabo glanced over at him. He hadn't lost any height with the transformation, thank goodness; Ace's bright eyes were still about level with his own. Sabo held his gaze.
"Everything important," he whispered.
"Shit." Ace's hand slipped between his thighs, cupped him through his uniform pants, and squeezed. Sabo exhaled heavily. "That's so hot," Ace whispered, "Sabo, can I—?"
"We are in a supply closet in the middle of a marine base," Sabo hissed, but his hands were already tugging at his fly.
"Shit," Ace breathed.
They worked quickly, breath panting out hot and frantic into the darkness. Ace's greedy hands urged Sabo on even as he fumbled his way out of his own stolen uniform pants. Sabo shoved his pants and (already wet) underwear down to his thighs but no further. His pussy was already unreasonably slick, considering they hadn't even kissed, but if Sabo was being honest, he'd been horny all day.
"Hold this," he hissed, and braced both hands on Ace's shoulders to hoist himself up.
Ace caught him effortlessly, hands slipping under his knees. His erection slid against Sabo's folds, and their breath caught in unison. As soon as Ace's grip was secure, Sabo spared one hand from Ace's shoulder to reach down and angle Ace's burning cock into him.
"Oh shit," Ace whispered, "oh fuck, oh shit," in a fervent loop as Sabo sank down onto him, and Sabo couldn't help but agree. His ass hit Ace's thighs, and they both inhaled sharply. Sabo squeezed indulgently, just once, and Ace's hands flexed around his knees.
"Brace for it," Sabo warned him, and then he started moving.
He rode Ace's cock furiously, almost violently — quick and filthy, and as hard as Sabo dared without running the risk of alerting anyone outside. Ace gasped quiet ragged noises into his ear and let Sabo use him. It wasn't long at all before he was choking Sabo's name.
"Do it," Sabo ordered, burying him deep, and Ace smothered his moan into the side of Sabo's hair as he spilled deep in Sabo's pussy. Sabo bit back a noise of his own, stilling his hips to let Ace come down. Gradually, their breathing evened out.
They'd quieted just enough to get a warning — a twinge of both their haki, a muffled voice saying "—grab some more paper," and footsteps approaching the closet.
There was a stack of cardboard boxes beside them, and behind it, bare floor — not a perfect hiding spot, but it'd do. Ace launched them over the boxes with a quick burst of flames; Sabo clung to him with one hand and threw out the other to break their fall. They landed hard, but not too hard, Sabo on the ground with Ace leaning over him and still buried deep. Through a crack in the stack of boxes, they both watched as the door opened and in walked a man in a marine uniform.
He pulled a disgusted face. "This place stinks," he complained, grabbing a package of paper from a shelf by the door.
"Oh, like you haven't fucked in any of those supply closets by now," someone else joked, and the rest of the group outside chimed in with more good-natured jeering. "We all know what you and that cute white-haired secretary got up to," someone added, and then the door closed again, and Ace and Sabo were safe.
They held their breath for another moment, both keeping one eye on each other and one on the door. The marines on the other side kept talking, none the wiser.
"We need to go," Sabo whispered, and Ace pulled out.
They both tugged their pants up and shifted to crouch on the closet floor. Sabo felt a gush of fresh wetness seep from his pussy at the change in angle, but he did his best not to let it distract him. His haki told him the room on the other side of the wall was empty; he gestured to Ace, and Ace nodded.
Lath and plaster versus a dragon's claws was never any contest. The wall crumbled quietly under Sabo's fingers, and he and Ace crawled through.
They emerged into a deserted boardroom. Sabo shook the plaster dust from his hair. Ace dragged a chair in front of the hole they'd made, as though that would hide it from anybody with eyes.
"Come on," said Sabo, and Ace followed.
Sabo's target was only a few doors further down. They made it there without incident, and Sabo found the papers he needed exactly where he'd been told they'd be. While he flipped through them, Ace kept watch on the hallway through the door's narrow window.
It took longer than he wanted — whoever last looked through these papers had the organizational skills of a feral cat — but Sabo found the intel he was looking for and spread it out across the desk to take pictures with the mini transponder snail in his breast pocket. The moment he was finished, he tucked the snail away and started shoving the papers back into their haphazard stacks.
"Ace, lend me a hand."
Ace hurried over, and together they gathered up all the paperwork into more or less the same state as Sabo had found it. Sabo leaned across the desk to shove it all back in a drawer, and heard Ace inhale sharply behind him.
"Sabo—" he hissed fervently, and Sabo's pussy throbbed.
He shut the drawer a little harder than he needed to and reached for his trousers. Behind him, he heard Ace eagerly following his lead.
This time, Sabo stayed as he was, bent over the desk, and let Ace grab his hips and slide into him. "Fuck, you're tight," Ace breathed, but Sabo was too busy swallowing his moans to reply. Tight, yes, but he was sopping wet, and so turned on that Ace's cock sank into him with hardly any resistance at all.
Ace bottomed out and adjusted his grip. "Make it quick," Sabo hissed, bracing his forearms against the desk.
"Yeah," Ace agreed, and then he was moving, fucking Sabo hard and fast.
Sabo's fingers dug into the edge of the desk. The room filled with the slap of skin on skin and the muffled panting they were both trying to keep quiet. Sabo kept his lips firmly between his teeth, because if he let them out, those moans he was choking in his throat would turn into screams.
This time, when he came, Ace tugged Sabo's collar aside and sank his teeth into Sabo's scarred trapezius. It punched a grunt out of Sabo, but he still heard the quiet, drawn-out groan Ace muffled into his skin.
Sabo allowed him no more than three seconds of afterglow before shifting under him. "Come on," he murmured. "We have to go."
Ace swore under his breath and straightened up. "Yeah."
Deuce's book was sitting unattended on a table in the entry to the lockup. The patrol guard reached the end of his hall and turned to start tromping back towards them; Ace shoved the book in his pocket, and Sabo dragged him into the closet under the stairs.
This closet smelled significantly less of sex and more of disinfectant. The stacks of cleaning supplies didn't leave much room for people; Ace and Sabo were pressed together from shoulders to knees.
"One more—?" Ace whispered, but Sabo was already fumbling with his pants.
They fucked against the wall, Sabo's shoulders braced against it and his legs tossed over Ace's shoulders. Every thrust made Sabo want to throw his head back and moan, but the space didn't allow for either.
"Your pussy is fucking insane, Sabo," Ace hissed.
Sabo whimpered. "Feels so fucking good." His fingers tightened in Ace's hair; Ace audibly stifled a moan.
"You thought about keeping it?" he asked. "For a little while, anyway."
Sabo huffed. "Then who'd fuck you?"
"Fuck, who cares?" Ace groaned, too loud for safety. He sounded wrecked.
Sabo moved his hand to the back of Ace's neck and squeezed. "Shit," he breathed, "you've got to be so close, come on, fuck me."
Ace thrust in hard and deep, biting back a moan with his teeth digging into his lip. Sabo let out a desperate whine at the way Ace throbbed inside him. Fuck, he was so horny he could scream, but it felt so fucking good.
Then Ace was pulling out and setting Sabo back on his feet, and they had to put themselves to rights one last time. Sabo dragged his pants back up. He would've bet money that he'd leaked through enough to make a wet spot on his uniform trousers by now.
The lockup guard's footsteps shuffled off back down the hall. Ace straightened his shirt.
"Come on," he said, "let's get the hell out of here," and Sabo agreed.
They went to the roof. It'd be easy enough to get down from there — Ace could fly, and Sabo was already mapping a safe path for himself down the side of the building.
Ace shut the door behind them, sending a quick burst of fire into the metal frame to secure it shut, and Sabo grabbed him by the shirt, hauled him away from the door, and threw him down on the concrete. Ace went easily, already reaching for Sabo's uniform pants as Sabo fumbled with his.
They got each other's pants open and pulled down in moments; Sabo stood for long enough to kick his the rest of the way off (and he was fairly sure he heard them go splat when they landed), and then he was straddling Ace's hips and sinking down on his cock with a filthy moan.
"Fuck, Sabo," Ace gasped, but Sabo didn't give him the chance to say anything else before he was riding Ace's cock as hard as he could.
Ace groaned and wrapped his hands around Sabo's thighs, dragging him down hard even as he started rocking his hips up, and Sabo cried out. "Oh, fuck, Ace," he gasped, "just like that—" Some instinctive need drove his hand between his legs, and when his fingers found his clit, Sabo's cries got even louder. He rubbed at it frantically, letting Ace haul him into every bruising thrust. "Fuck, Ace, fuck, come on, Ace—"
He came like a tidal wave, wailing to the sky as Ace fucked him hard and deep enough to make his limbs quake from the impact. Distantly, as he was coming, Sabo felt Ace bury himself deep and stop there with a guttural groan.
They caught their breath. Sabo's limbs were still tingling. His sweat was starting to dry on his skin, but it wouldn't chill him for a while yet.
Suddenly, someone started pounding on the door. "Who's there? Open up, in the name of the navy!"
Ace and Sabo exchanged a look. The pounding on the door continued.
All at once, they burst into motion, scrambling for their clothes and sprinting to safety, both laughing like madmen the whole way.