Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/ works/12400965. Rating: Explicit Archive Warning: Rape/Non-Con, Underage Category: M/M Fandom: 僕のヒーローアカデミア_|_Boku_no_Hero_Academia_|_My_Hero_Academia Relationship: Bakugou_Katsuki/Midoriya_Izuku Character: Midoriya_Izuku, Bakugou_Katsuki, Iida_Tenya Additional Tags: dubcon, Captivity, Anal_Fingering, Anal_Sex, First_Time, Sexual_Slavery, Alternate_Universe_-_Fantasy, Stockholm_Syndrome, Bandits_&_Outlaws, Fucking_in_a_tent, Pining, Adventurer_Deku, Wildling_King_Kacchan, Aftercare, Doggy_Style, Bathing/Washing, Chains, Rough_Sex, Kidnapping Series: Part 1 of Captive_AU Stats: Published: 2017-10-18 Words: 3953 ****** Katsuki’s Captive ****** by pandoras_thomg Summary Izuku is an adventurer who pines after the loss of his childhood friend. Katsuki is a wildling King who tames dragons. They meet during one of King Katsuki’s raids on a village, and the King captures Izuku to take him home as his slave. Izuku finds himself reunited with Kacchan in a way he never expected... Notes This is a bkdk Au my friend Ray and I have been working on together and I intended to post this as a oneshot (but I may be able to write the sequel eventually). It’s inspired by various fantasy stories and bkdk fanart we’ve seen. Posting it today for Wonder Duo Days. Please enjoy this Au! See the end of the work for more notes A horse neighed right by Izuku’s ear, shocking him out of sleep. His body was stretched out over the horse’s back, tied down with rope, jerking in time to hooves beating the ground, and his wide eyes glancing here and there as he struggled briefly to remember what was going on before realizing something: he had no sword. No sword and no satchel. It was nighttime, dark all around, but Izuku could hear the thumping of more hooves, more snorting horses moving ahead of him. And the person he couldn’t see riding ahead shouted to stop. They all halted and stood uncertainly before a large swishing moat. The drawbridge came down after a further command was given, moaning with its heaviness before thudding on the ground. The first horsemen moved forward, trotting over the bridge. It was then Izuku’s horseman’s turn. Izuku watched the forest beyond the wooden barricades close up as the drawbridge shut behind them. He was left to recall why he was here. The last thing Izuku remembered was a bandit raid on the village he was resting in. He thought that the king’s guard had been able to hold the raiders back. That was until their leader appeared, flying from over the mountaintop on a red, roaring dragon. It was the first time Izuku had ever seen a dragon before. They were as the legends suggested: fire-breathing, strong, and intelligent. The dragon breathed fire down on the shields of the king’s guard, melting them and burning their bodies to a crisp. Izuku shivered remembering that sight; All that death. He gulped as he felt hands lift him up off the horse and stand him on his wobbly feet. Looking around, Izuku saw that they had taken him to a clearing at the base of a massive mountain. In this clearing, dozens of tents were pitched around a blazing bonfire. Horses were being tied up to two long posts on opposite sides of the camp. Izuku glanced at the person who’d removed him from the horse, feeling helpless with his hands bound behind his back. Izuku watched as the man, dressed in an assassin’s garb, put an iron choker over his neck, which hung on a chain with two cuffs securing his wrists. The ropes came off, but the cold metal was not an improvement. The man pulled the chain forward, forcing Izuku to follow him nervously. He pulled Izuku towards the nearest tent. Inside the tent were grass mats, very barren, but there was also a short table and a jug sitting atop it. Izuku fixated on the jug. He was so thirsty. The bandit let Izuku go to the jug and poured him some water in a rustic cup. He gave it to Izuku wordlessly and Izuku drank without even stopping to consider if it was poisoned. When he put the cup down, he looked at his captor and wanted to say some sort of thanks, but he was interrupted by the other speaking first. “How old are you?” he asked gruffly. “I-I’m sixteen.” “Young. Hm. But not much younger than our King.” said the captor. “Who is your king?” Izuku asked. “You’ve never heard of our King, Katsuki?” Said the bespectacled man, shaking his head, “You must not be a local, then.” “No. I was just passing through.” Izuku answered, downtrodden. The name Katsuki reminded him of someone from the past; a friend he’d lost long ago to wildling kidnappers. Or maybe he’d stumbled on his way home and animals had eaten Kacchan in the woods. Either way, Izuku had always regretted that he hadn’t been able to save his childhood friend, or find out what happened to him. He lifted his head glumly when someone else entered, throwing the curtain aside with a regal flourish. His eyes widened. Embarrassingly, his breath caught in his throat and he was unable to speak. The newcomer looked Izuku up and down. He was taller, although around the same age, with rippling muscles, blonde hair and burning red eyes. He wore a majestic cape of white fur and red cloth, necklaces made from tooth and stone laying on his bare chest, and at his side was a scimitar in a leather scabbard. His arm rested primly on it, composed and ready to unsheathe it if necessary. “My King.” said the assassin and bowed. There were so many things Izuku wanted to say, but the words simply held themselves suspended. Izuku was suddenly terrified. He felt like he was seeing a ghost and it was now about to drag him to the afterlife. But though he trembled, the barest squeak escaped him on its own. “Kacchan…?” The King grinned wide, showing white canines and pink gums. His appraising look went so far as to be inviting. “Deku.” he said, watching Izuku’s shoulders jump at the name, “It’s been a long time since I last saw you.” Then Kacchan inspected more of Izuku, walking around and studying every feature of him. Izuku anxiously sweated under all the attention, the hands brushing and holding him to feel his proportions. When Katsuki finally was done he told his assassin to give him the chain. Izuku’s eyes widened as he saw Kacchan fiddle with the chain leash between his fingers before he tugged it slightly, urging Izuku to follow him out of the tent. As they passed by many tents, Izuku felt the eyes of bandits burning holes in his clothes. The sensation of Kacchan feeling his body, even if just for a moment, sent an electric bolt through his lower spine. He’d never felt so vulnerable before. Kacchan led Izuku to a wildling throne seated on the root of a chopped down tree in front of the bonfire. Izuku wordlessly sat on his knees at Kacchan’s side as the King flung down on his throne and gave orders to his servants to bring food. Some hurried away and came back with baskets of fruit and bread, and copper trays of cooked meat. One brought a bowl of nuts which Katsuki ate by the handful. When Izuku dared to reach out for a piece of meat off the bone, his hand was crunched under the foot of the King. “Ouch!” he yelped. “Slaves don’t get to serve themselves.” Katsuki growled, before holding the handful of nutritious nuts under Izuku’s chin, “You’ll eat from my hand or from the floor, Deku.” Izuku looked at Katsuki with bewildered eyes, but he knew what he preferred. This situation was still not entirely sinking in for him yet. Just a day ago he’d been living an adventurer’s life. Now he was tilting his head into Kacchan’s palm, eating out of his hand like an animal. He let Kacchan feed him from his hand with quiet embarrassment, avoiding the eyes of other bandits feasting around the fire. There was song and dance tonight. Katsuki’s subjects celebrated the victory of their wildling King, banging on instruments and drinking to his health. Izuku watched Kacchan as Kacchan watched his men. The fire danced in Kacchan’s eyes. Izuku knew that somewhere, somehow, Kacchan had changed and become powerful on his own. He wanted to ask him where he had been all these years, but felt ashamed, for he had done nothing. Judging by the stars, Izuku knew it had become late. Wolves were howling in the distance. The foreign, lonely sound sent a chill through Izuku’s bones. He wondered where he would sleep tonight. Soon, his chains were tugged on again and he looked up at the face of his captor. “Get up, Deku. We’re going to my tent.” Katsuki said in a low voice. “Your tent?” Izuku repeated innocently. “Yeah. I want to use you.” said Katsuki, again his eyes boring into Izuku like brands. Izuku stood on wobbly legs and let Kacchan lead him away from the fire, away from the gay dancing and merriment. They came to a simple but large tent for a single person. Katsuki pushed aside the front and led Izuku inside. It was lit by a stout kerosene lamp on the table with several small bottles of oil. Next to it was a large bed and atop it a fur rug with blankets neatly spread over it. At the far end of the tent was a chest that was locked. Izuku, confused, felt like asking what they were doing here, although he had some vague idea. He knew what the rapid heart beating against the cage in his chest meant when Kacchan had stood close and felt his proportions, holding his hips just so… Izuku blushed, embarrassed. “Kacchan, why have you brought me to your sleeping quarters?” He was met with Kacchan’s glaring eyes burning into him again, stripping him slowly. The dragon’s fire was inside Kacchan, and it wanted him. Izuku suddenly wanted to cover himself like he really would be burned. He looked down to avoid eye contact with Kacchan, eyes fixing on Katsuki’s chest. Izuku’s body held so many emotions: fear, confusion, curiosity, concern… They threatened to bring tears to his eyes as he stood with his old friend from so long ago. But then Kacchan stepped forward and reached an arm around him to touch his back, and the emotions grew more turbulent. He mumbled nervously as Kacchan’s hand rubbed his back up and down. It strayed lower each time. Izuku’s breath was becoming shallow. Kacchan’s chest was up against his, his body and warmth so close. Kacchan’s jewelry glinted in the feeble lamp light. His earrings were drops of ocean blue against sandy hair. “Kacchan… Can we talk about this?” Izuku asked without the courage to look up and see what was in Kacchan’s eyes; probably more fire, more destruction and savagery. Izuku was scared it would hurt him. No words, only a pull on his chain downwards to get him on the rug was Kacchan’s response. Izuku lowered himself, lip trembling, to sit next to the King. He watched the lamp light flicker and shivered as that large hand running up and down his back came around to unbutton his green vest. Izuku stammered, acutely aware of what Kacchan wanted but unable to stop him when Kacchan tossed the vest aside and pushed Izuku onto his back. “N-No, Kacchan…” Izuku stuttered, flushed in the face. The King wordlessly took both sides of Izuku’s button-down shirt before ripping it open, sending various buttons flying everywhere and a gasp tumbling from Izuku’s lips. “Stop!” he begged, trying to bring his knees to close, but a King’s waist prevented such things. King Katsuki did not need to be considerate enough to ask if this was what Deku wanted. If anything, all Katsuki heard was that frantic voice; Deku’s needing tone and the dip of his spine when he touched him. Deku wanted this. As a King Katsuki was able to take whatever he wanted. He had the right to Deku’s body; he was a slave, he was his. So, the King pulled Deku’s chain closer to suck slobbishly on his chest. The action took Izuku completely by surprise and he moaned a little too loudly. Izuku squirmed and huffed, held down by Kacchan’s hands. He was embarrassed for moaning like that. This wasn’t his choice. Izuku’s toes twitched in his red boots. Those eventually came off, too, as well as the trousers and underwear. He wasn’t touched where his body was aching most. This frustrated Izuku to no end, even though it shouldn’t have, Izuku felt. He sat up, trying to get away, but Kacchan flipped him over so that he lay on his stomach and took his hips roughly. “N-No…” Izuku protested, looking back at Kacchan. Maybe if Kacchan saw some of the desperation in his face, he would realize how wrong this was. But Katsuki merely smirked and grabbed Deku’s head to push it down into the pillow. Izuku’s ass was in the air, all for his taking. Katsuki took one of the bottles of oil and let some pour onto his hand. He slathered it around on his fingers. It made a wet noise that was a mystery to Izuku until one of the wet fingers touched Izuku’s pink, puckered entrance. “Ah!” Izuku cried out and tried to wriggle away from the intrusion but Kacchan’s other hand had his hair securely wrapped around his fingers. Izuku’s cock ached at the barest contact with his hole as Kacchan traced a circle around it before taking hold and pressing it inside. The tent was filled with Izuku’s tearful pleas. “Kacchan, stop! Please!” The finger felt like such an invasion. It was wriggling inside him, pressing against his sensitive walls. For the first few seconds it was so uncomfortable for Izuku that tears were spilling down his cheeks. But as Kacchan got deeper and curled his digit inwards, the tip of his finger pressed on something. Izuku moaned loudly, back dipping, and wondered how on Earth something like this could feel so good. “Ah!” he cried, eyes going wide. As Kacchan rubbed that erogenous spot inside Izuku, the world seemed to turn to mush around him. All he could feel was that warm, wet heat building up inside him. It was almost soothing, putting him into a deep trance of pleasure despite the soreness. Izuku couldn’t help that he’d started moaning. The heat inside Izuku was unbearable. He needed to cry it out but all of this must have only encouraged Kacchan. Izuku flinched hard when a second finger invaded him, scissoring and stretching him for something bigger. “Please, Kacchan…” he whimpered from the floor. He did not know what he was begging for. The torture seemed to go on for a few more agonizing minutes. Izuku’s cock was heavy. It hung from his body painfully. He needed it to be touched. He was so close… Katsuki watched his little slave tremble and whine as he took his fingers out. Izuku froze—the tip of something big pressed in, suddenly reminding him what was going to happen. Katsuki nudged Deku’s knees apart to deepen his angle of access. He wanted to be all the way inside Deku. Being spread so that the tip squished against his entrance sent a swoop of desire through Izuku. “Wait, Kacchan!” he said frantically, turning his head. Ignoring him, Katsuki pushed in slowly. Gods, each inch of Deku felt like a dream. His cock pushed past ring after ring of muscles as Deku sobbed. The sensation of Deku’s terrified ass spasming around his girth was delicious. Katsuki grinned as he let himself go all the way in. Deku was shaking like nothing before. His voice was choked with silent protest. Sweat poured down his face and back. “So… deep…” his moan was quiet, but Katsuki could hear him and closed his eyes to the feeling of being inside Deku. Katsuki was so far inside him. It must have felt for Deku like he’d been split open. Like the center of his world was exposed for Katsuki to see and feel and fuck. “Oh, Gods…” Izuku moaned, gripping the pillow and the sheets for dear life. Then Katsuki started to pull out, dragging his cock back, creating friction against Izuku’s sore anal canal. Izuku was embarrassed to feel his sphincter muscle kiss Kacchan’s cock, just the tip, when it pulled all the way out, contracting as if missing him and wanting to be full again. Everything only got worse when Kacchan started thrusting back in and making Deku experience the full penetration a second time. “Kacchan, no!” Izuku cried, clenching around Katsuki’s cock, “Oh, Gods, no, no, no…” Whether Izuku wanted it or not, Katsuki’s cock absolutely tormented his weak spot. Eventually it proved that Izuku’s conviction was weak. It was sending blissful quakes through Izuku’s body. He shuddered and moaned for Katsuki, calves twitching. It felt like his hips were steeped in molten lava. It felt so good, being full, then empty, and then full again. Izuku’s cock bounced to and fro each time Kacchan’s hips snapped into his. Everything ached in the best way and it felt like Izuku would cum at any minute. He had never been this close to someone before. Kacchan was his first. Kacchan, his dearest childhood friend, now a bandit King who was fucking him down into the pillow without remorse. Izuku would have wanted to talk, to catch up with Kacchan. But as a slave he could make no attempts at that. The pressure from inside Izuku slowly built up until the pleasure was filling him with each breath. Each inhalation was sweet; the oxygen he drew in; the smell of the pillow Kacchan had smushed his face into. After a while Izuku started shaking harder. He gulped in a breath and shouted, “Kacchan, I’m- I’m going to come!” Katsuki opened his eyes and watched Deku; the way his back poured with sweat, the way his hips were splayed, his knees out, calves extended, quaking like a volcano nearly erupting. “Ah!” Izuku screamed, losing the long fight. He moaned as he ejaculated on the fur rug without Katsuki having touched him there once. Closing his eyes in shame, Izuku fell into a tired slump, but Kacchan was not done with him. He hadn’t finished yet and he intended to finish inside his slave, as a King should. He grabbed Deku’s hips, both in hand now, and fucked as hard as he wanted, feeling Deku’s ass quake with the afterjolts of orgasming first. It was like having a pulsating massage on his cock. Fear sliced into Izuku as he realized Kacchan wouldn’t stop. Of course he wouldn’t. Izuku arched his back and cried out in pain. Overstimulated, he blindly held on to the sheets and submitted himself to a throbbing nightmare. It felt like Kacchan’s cock was sharp, like a knife of sensation cutting through him. His tears were truly flowing now, soaking the pillow. As Katsuki nudged Deku’s knees apart again to get deeper, longer thrusts into him, he heard those muffled sobs. He ignored them. Deku was strong. Tonight was a test. Izuku moaned into the pillow because he was close again. His ass was so sore he would feel it in the morning, and his cock dripped all over the fur beneath him as if he’d come soon. Izuku could feel his insides thumping like a giant heart pumping tons of blood. He was so close, almost blinded by how good it felt, when he had a dull, bruising pain in his right shoulder that made him flinch. Kacchan was biting him as he felt himself get closer, picking up speed with a firm grip on Izuku’s body. Izuku was no longer surprised by Kacchan’s roughness at this point and bore the pain. In fact, he embraced it as he felt the pain mix with the climax coming onto him. He cried and let orgasm take him again. Katsuki stopped biting him and panted hard on the nape of his neck. He thrust into Deku several more times, following the way to bliss, until he came hard. The cum dripped out of Izuku’s hole when Kacchan pulled away. When they disconnected, Izuku tiredly realized he could not move. He’d been borrowing additional zeal for sex from Kacchan’s performance. After all, Izuku had only been a virgin before this. No… He simply could not move; he was face planted into the pillow. Katsuki sat on his haunches and watched the cum spurt out of Deku. “You’re a mess.” he said. Izuku could only groan and try to clench himself up before more cum spilled out. “Go clean yourself up.” “Huh?” Izuku said sleepily. “Oh, for fuck’s sake…” Katsuki said and reached for a fistful of Deku’s hair to pull so that he could make Deku look up at him. Deku looked like he’d had the living daylights fucked out of him. He was clearly incapable of walking or thinking. His eyes were misty and his mouth had gotten an equal ratio of slobber to tears soaked into the pillow. Katsuki thought of yelling for a servant to come and carry him to be washed, but… Something he liked better came to mind. He scooped his slave up, and noticing the limpness to his body and more of his own cum slipping out of Deku, scrunched up his nose a bit. Bringing Deku outside caused Deku to shiver. It had gotten colder in the night. Katsuki wrapped Izuku up in his cloak, pulling the white ruff over his cheek. The moonlight was obvious tonight. It was the harvest moon. He’d attacked Deku’s village to plunder trade goods but he had never experienced such a primal drive to take something the moment he saw it. Deku was there; he seized him. There he was, standing in the middle of the skirmish: Deku. It was instinct. It was reactive. The King ordered his guardsmen to take that one as his slave. He’d make sure later if it really was Deku. “Kacchan… Where are you taking me?” Izuku asked, woken up a bit by the cold. “We’re here already. This is the stream the women use to bathe in.” Izuku peeked out of the cloak hideaway he’d made. “It looks cold.” There was a chill in the wind, and it stirred the leaves of the trees around the edge of the stream. The stars were twinkling diamonds in the midnight blue sky. “No, this stream is warm, because it’s volcanic. We’re right next to the biggest volcano in the archipelago.” answered Katsuki as he started towards the waters. Izuku looked up at the towering black mountain. “That’s a volcano?” he said, afraid, “Isn’t it dangerous to live here, right next to it?” “The volcano hasn’t erupted in thousands of years.” said Katsuki, “My seers say that it will erupt in another thousand. It’s nothing to worry about. The real danger here is the dragons.” Above, Izuku thought he saw the shape of something crawling across the sky. “Aren’t they yours?” he asked sheepishly, shying away on instinct when Kacchan was waist deep in the pool of water. Katsuki held Deku and let the silvery water clean him. Izuku let himself be held. “I am their King.” said Katsuki, “Without me to influence them, the dragons would attack anyone who settled in this land. I will protect my people and I will protect the dragons, and the dragons in turn will protect my people.” Even though he’d just taken him and used him like a slave, Izuku liked Kacchan a lot in that moment. He shook himself out of it. This was not the time to romanticize Kacchan. He’d taken Izuku’s freedom, taken his virginity. There was no way he could just forgive that. “Can’t I leave now?” Izuku asked, “You’ve taken what you want. Now let me have my sword and books and let me go back to living life.” “No.” Katsuki replied, “You’re staying here.” “What?” Izuku balked as Kacchan walked out of the stream with him, dripping wet, “You mean you’re just going to keep me captive?” “Yeah. That’s right.” said Katsuki. Izuku held still all the way until they reached the tents. Then he tried to sneak out of Kacchan’s arms, violently struggling. Without a word, Kacchan knocked Izuku out. His head slumped against Kacchan’s chest. Katsuki gave Deku to his servants to dress him and find a bed on the floor for him. He’d want Deku in the morning. And in the evening. Maybe he’d never stop. Deku might try to escape. But Katsuki would catch him each time. He’d fuck Deku harder as a lesson not to try those things. And so began a long captivity for Midoriya Izuku. End Notes Talk nasty bkdk stuff with me: @mobgamis Please drop_by_the_archive_and_comment to let the author know if you enjoyed their work!