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Testing Limits

Summary:

This is a DLC bonus chapter from the main story you can read here:
https://archiveofourown.org/works/61087336/chapters/156072463

The events of this DLC takes place after Chapter 16, so please read up to there to understand the state the characters are in.

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Now finally they have a moment to themselves, Mingi wants to test out the limits to his new hand with Yunho.

Notes:

DLC brought to you by JaeinTeo

(See the end of the work for more notes.)

Work Text:

Mingi just couldn’t wait any longer. With his left hand braced on Yunho’s shoulder, his new mechanical hand found its way to Yunho’s hair and jerked the strands there hard. The ex cop gasped as his head was yanked back, Mingi taking advantage of Yunho’s open mouth to claim his lips. The tech hummed at the first taste of his boyfriend. Oh, how he had missed this. Yunho still tasted the same as he did all those years ago when they had shared their first clumsy kiss as kids. But now they both had more experience, and a lot of that had come from those early years with each other. Mingi rose up on his knees to angle the kiss every so slightly, pressing their chests together and making Yunho stretch his neck to keep their lips connected, a near whimper leaving Yunho’s lips at the struggle.

The tech was only vaguely aware of Yunho’s hands fisting in the material of his shirt when Mingi nearly toppled Yunho over but managed to catch his balance before they both tumbled back and he caused Yunho any discomfort to his injuries. The urgency and desire he felt coming from Yunho made his stomach flip.

“Shh, patience…” Mingi gasped against lips, as much to Yunho as to himself.

Yunho whimpered against his lips, hands pulling at Mingi’s tight shirt, fingers shaking as they worked at the buttons. “I need to feel you…”

Mingi was never one to have much patience when it came to things that he wanted and Yunho was no exception to this unspoken rule. The tech was almost vibrating with anticipation to get closer to Yunho. He had been reunited with his long lost boyfriend just a few weeks before they had rekindled their relationship when Yunho was caught in the sights of gang warfare and riddled with bullet holes. The wounds were still raw and freshly cleaned when Seonghwa burst into his room and landed another devastating blow.

They had barely had time to catch their breath let alone steal each other's.

Until now.

Without hesitation, Mingi pulled back long enough to rip his shirt over his head and toss it aside. Under him Yuhno lay flush, the pretty pink of his ears and cheeks leading down his neck and disappearing under his shirt. He was beautiful and Mingi was having a hard time holding back.

Then Mingi sat back on his heels and wrapped both arms around the broad frame before him to pull Yunho impossibly closer, effectively pinning Yunho’s arms to his chest as the ex cop buried his face in Mingi’s neck. Mingi was acutely aware of where all the bandages were under Yunho’s loose shirt and avoided as many wounds as possible as he held the other, one arm high around his shoulders while the other was low at his waist. The embrace led to Mingi grappling to touch more of the man under him, trying to expose as much skin as possible. That’s when he found that he was actually vibrating when his new mechanical hand ran down Yunho’s broad back and he let out a sinful moan. The same hand then went up to lock in blond locks while the other wrapped around a narrow waist. Yunho’s breath hitched against his lips and Mingi knew he’d touched a few of the wounds, exactly what he had been attempting to avoid. But in that moment he wasn’t thinking about the wounds Yunho had, he wanted to melt into his lover and make them one. His selfish want led him to squeeze harder and Yunho groaned into the kiss, pulling back slightly so they still shared the same breath. “Min, too hard…”

Unperturbed, Mingi quickly loosened his arms but his lips found purchase on Yunho’s neck, a patch of skin that had been exposed during their embrace, but his new hand was refusing to let Yunho move. “Sorry, Yun, I need to touch every part of you. Need to be close”

Yunho shifted under Mingi, his hand coming up to lace into the hair at the back of his head. He pulled his head back until their eyes met, the tech’s gaze heavy and glazed with a low glow. Yunho shivered, that look hitting his blood stream like a jolt of electricity and traveling south. “Touch…” he hummed, keeping eye contact as he reached to the back of his head and grabbed Mingi’s new hand, sucking a finger into his mouth. The smooth texture was odd but not unwelcomed as he leisurely wrapped his tongue around the digit. More than anything he wanted something else in his mouth but he knew he couldn’t exactly give Mingi what he needed in his current condition. He hummed and let his eyes flutter shut. He felt Mingi’s cock twitch against his as he sat in his lap and thrust his hips up slightly. “Please touch me more. Touching is all we can do, so please… I want to feel your skin on mine.”

Mingi let out a low grumble, fingers digging into the dip of Yunho’s waist to move him harder against him. He slowly thrust his fingers in the ex cop’s mouth, watching as his fingers slid over his tongue and to the back of his throat where Yuhno started to gag. The tech blinked and pulled his fingers back and rested them on Yunho’s plump lips. This time when they met gazes, Yunho’s eyes were brimmed with tears. “Fuck…”

“Keep going.” Yunho gasped, taking Mingi by the wrist and forcing Mingi’s three fingers back down his throat, choking himself as his free hand clawed at the tech’s chest. Mingi licked his lips as it felt like his mind was short circuiting. Before he could stop himself, Mingi was thrusting his fingers hard and deep into Yunho’s throat while lowering him to the bed. Mingi braced himself on the bed so that their bodies were touching but there was no pressure on the man under him and slowly pulled his hand away, smiling as Yunho whimpered. “Please..”

Mingi leaned in and littered half shelled kisses on Yunho’s face before planting a deep, hungry kiss on his lips. He wanted to swallow his lover, make them one again, but he also wanted to give Yunho what he was begging for. Because he was right, they couldn’t have sex with as injured as Yunho was, but he could definitely make him feel good with his touch. Mingi pulled back and ghosted the fingers of his prosthetic over Yunho’s kiss swollen lips. “Where do you want me first?” He breathed, meeting Yunho’s gaze as his hand slowly traveled from Yunho’s lips down to his neck. Mingi saw his blown out gaze narrow as he squeezed lightly, rewarded by a breathy moan.

“There. Harder.” He gasped, pressing into Mingi’s grasp.

The tech frowns and loosens his grip, sliding his hand lower to skim over one collar bone, then another. “It’s too soon for that, Yun. I don’t know this hand yet.” With a flash Mingi had Yunho pinned down by the neck squeezing hard. Yunho cried out, but didn’t fight as his face went red from lack of air. Yuhno was already looking completely fucked out and Mingi had to bite back the urgent need to fill his pants. He blinked and caught Yunho in his sight again. “I could easily hurt you.” Mingi smiled, leaning down to kiss him before he released Yunho’s neck and worked the buttons of the shirt the other wore open and continued the slide of his hand down his sternum

“I trust you would never hurt me.” Yunho gasped as he was released, turning his head with a cough as he reached down to grab Mingi’s thick thighs, grounding himself. He had to take a few deep breaths before he embarrassed himself. He was so close to cumming… Luckily Mingi gave him a good distraction when the hand on his chest started to go cold. He let out an apprehensive breath as the cold hand rested on his hot skin then sighed on content. “That feels good, Min.” He hummed, turning his head back to look up at Mingi.

Mingi gave one of his crooked tooth smirks that made Yunho’s heart leap. “And what about this?” The tech flicked Yunho’s nipple, making the cold flesh flash with pleasant pain. Then he leaned down and caught the peaked flesh in his hot mouth and laved his tongue over it.

Yunho gasped and arched before falling back to the bed with a wince that trailed off to a breathy sigh, clawing at Mingi’s thighs again. “Min!” His gasp turned into a deep moan when the tech turned his attention to the other nipple.

Chills turned to shivers and Yunho felt his cock twitch painfully and moisture soak his pants that were now way too tight.

Mingi pulled back and pushed himself up to glance down where their hard cocks rubbed. “Yunnie can’t control himself?”

Before Yunho could respond, his words were drawn out by a muffled scream when Mingi’s prosthetic hand started to vibrate.

Mingi blinked down as Yunho thrashed. If he didn’t know better, he’d think Yunho was being tortured, but the leaking cock against him and the desperate moans said otherwise. He pushed his vibrating finger tips down hard, watching Yuhno’s nipple pearl, then turned his attention to other. “You’re so sensitive…”

Yunho panted, head thrown back as the assault of sensations took control of his body. It was too much and not enough. As the prosthetic turned from vibration to cold, once more, Yuhno was able to strangle out his words. “It’s been years and that…HAND…is torturing me!”

Mingi cocked his head and shifted to sit back on his heels. “I told you I didn’t know how to control it yet.” He hummed, using both hands to travel down Yunho’s torso. The tech could see the bumps rising along the smooth skin, felt it with his real hands as he traced patterns with the prosthetic. He knew it wasn’t real, but his mind was telling him he could feel the texture of his lover’s skin and that made his body flush with need. He knew that his hand was connected to his nerves and muscles but his hand was nothing but plastic. He wanted to, mentally, keep the real from fake categorized as such, but the more he touched Yunho, the more he felt.

His eyes were following the path of his prosthetic, the beautiful blue hue looked magical against Yunho’s honey skin. He could see and feel Yunho shiver as his hand went around his hip and squeezed. Mingi watched as his fingers sunk into the skin, Yuhno’s whimpered moan urging him to squeeze harder until the skin bloomed red under his touch. Only then did he release Yunho’s hip and continue on his path. When his hand got to his narrow waist, he purposefully avoided any wounds and went straight for the buckle of Yunho’s pants. Yunho’s breath hitched at the first tug of the button, body tensing. Mingi’s eyes flicked up to Yunho’s as his fingers toyed with the zipper. “I can st-”

“No!” Yuhno cried out, cutting Mingi off as he reached for Mingi’s wrists. His hold was desperate, eyes glowing in his urgency as he struggled to sit up enough to brush his nose against Mingi’s then plant an eager kiss to his plush lips. “Please….I’ll lose my mind if you don’t touch me.”

Mingi felt a wicked smile spread across his lips as he leaned in to deepen the kiss, prosthetic fingers flicking the button open and sliding the zip down. Yunho pulled back with a choked gasp and fell hard back into the bed as his eyes rolled to the back of his head. Mingi’s finger tips rested against Yunho’s soaked underwear, eyes trained on his lover as he pressed down hard. Yunho cried out, head thrashing on the pillow as Mingi finally granted the ex cop mercy and pulled his underwear down to free his cock.

Yunho couldn’t help the tremor that shook his body as the cold air hit the most sensitive part of his body. He was painfully hard and leaking. His fingers clawed at the sheets under him as he lifted his head enough to glance down. Yuhno almost came on the spot when he locked eyes with Mingi. His eyes were glowing a deep blue he had never seen before and the lights that lined his cheeks seemed to pulse the same color. The tech cocked his head and his long hair fell over his shoulder as their eyes locked, his new, torturous hand wrapping around his length. Yunho moaned as his cock twitched.

“Yun, let me help take the edge off…”

Mingi’s already deep voice had dropped a few octaves and almost sounded like metal scraping against metal as his hand jerked at the wrist, turned cold, and began to vibrate.

A numbing pleasure traveled along Yunho’s spine and his nerves sang out as his back arched off the bed and he came hard instantly. The sound that was ripped from his throat was nothing short of feral as his system shut down and blackness engulfed him.

It took less than three seconds for Yunho to cum in his hand, and to Mingi’s horror, he came untouched against Yunho’s thigh. Mingi watched Yunho lift off the bed like a demon being exorcized as he spilled rope after rope of thick cum in his hand and over the beautiful blue of his hand. He licked his lips as Yunho screamed, the sound strangled and almost painful. Mingi smirked at the sound, the sight of the tears pouring down Yunho’s flushed cheeks and something must still hurt from the betrayal of Yunho leaving him to join the enemy because he purred with delight at the pain he had caused. Even if Yunho was receiving pleasure, he knew he was still in pain and the deeply hidden, sadistic side of himself Mingi tried to keep buried raised his ugly head.

But as soon as those thoughts rose to the surface, the tech forced them back down. His hand released Yunho’s cock, still hard after release but the angry red of the tip and tightness of his sack was gone. He smirked and brought his hand up to his mouth, humming as pushed his finger into his mouth, savoring the sweet taste. Definitely Yunho. Only he tasted this good to Mingi.

The tech glanced down at Yunho’s flushed chest as he cleaned his hand, eyes slowly traveling between each pert nipple then up to his face the other man completely still. His brow shot up as he leaned over Yuhno, grabbing his chin to turn his head. He only saw the white of Yunho’s eyes, cheeks stained with tears as the LEDs flashed dimly, mouth lax as drool spilled from the corner of his mouth. Mingi would have freaked out if he wasn’t sure Yunho was alive and breathing. As he held his chin he was getting readings from Yunho’s body through his prosthetic, something he had no idea he could do. His blood pressure, heart rate, and a slew of other numbers Mingi didn’t understand played out before his eyes. Then, at the end of the list, written in red ‘System Override: Temporarily Shut Down’.

Mingi smirked and nuzzled into Yunho’s neck. “Yunnie, did I make you glitch?” He whispered as he lay to the side and scattered soft kisses over his tear stained cheeks and down his neck, his hand softly stroking Yunho’s side. He waited for Yunho’s heart rate to level out, his ear was pressed lightly to his chest so he could hear, eyes locked on his chest as he watched him take deeper breaths, then saw the flutter of thick lashes as Yunho blinked awake. Mingi slowly lifted up on his elbow and kept his eyes locked on his lover. “Are you back with me, Yunho?” He whispered, his fingers trailed along his jaw and down his neck before resting against his chest.

Yunho blinked a few times, his eyes slowly focusing and locking on Mingi as he hovered. His slack mouth curled into a smile as he reached up and laced his fingers in Mingi’s hair to pull him down for a deep, sensuous kiss. He hummed when the scent and taste of Mingi surrounded him. The feel of his weight pressed against him, his arms cradling him like he was the most precious thing in the world while still being cautious of his wounds. Emotions almost overtook him and he felt his heart squeeze. He had missed this so much, his arms unintentionally pulling Mingi closer. Being held and loved and completely understood without verbalizing his wants and needs. He didn’t realize he was crying until he tasted the saltiness in their kiss.

Mingi pulled back and Yunho saw his eyes scan him as his prosthetic rested against his throat. Yunho saw the tech’s eyes go wide but he was having a hard time with words as his mouth opened and shut like a fish. “Shh, it’s okay, Yunnie.” The pet name wrapped around Yunho like a warm blanket as he felt the panic that was boiling to the surface simmer as he fell limp to the bed. Mingi cursed and pulled the mused blankets around them both. “I got you, baby. Just focus on your breathing.” Yunho frowned in confusion but felt himself floating in the safety of Mingi’s arms.

He had no idea how long he stood on the brink of consciousness when he opened his eyes to Mingi sleeping with his arms still cradling him. He blinked and rubbed his eyes to try to get them focused. What the hell had happened?

“You dropped.”

Yunho turned and saw Mingi was awake beside him, staring up at him with his hand resting against his neck. “You dropped.” He sat up with a cocky smile. “You came so hard you glitched and dropped.”

Mingi let out a deep laugh as Yunho’s face flushed red. “I…” he brought his hand up to rest where Mingi’s hand was on his throat. “I’ve never…” he swallowed hard as his hand clenched Mingi’s prosthetic to jerk it into his line of sight. “Your hand made me cum so hard I went stupid.” He growled but there was only humor in his tone as he slowly kissed the cool pseudo skin. “Lucifer…bringing all my fantasies to the light.” Yunho brought a hand to his cheek and rested it there as he glanced at Mingi with that all knowing smile that was pissing him off. “Stop smiling like that.”

“The test run was a success.”

Yunho frowned but it was quickly kissed away as the lovers fell back in bed. “It was good, but it needs a few…tweeks”

Mingi lifted a brow. “ Plan on making my misfortune your pleasure device?”

Yunho rolled to his side and met Mingi eye to eye and kissed the tech’s nose. “Your lovely hand will serve us both well.”

Mingi melted under the sweet kisses and soft smile of his lover. This night was meant to test what his hand could do to bring Yunho pleasure and he had managed to not only break in his hand, but push Yunho back into inventor mode. He couldn’t lie. He was excited to work with Yunho on a project meant for just the two of them.

Notes:

Hope you enjoyed! Next DLC will be for Jongho and Yeosang :)

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