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I Know What You Need	By : HakaTsuru Category: +M to R > Majin Tantei Nougami Neuro Views: 2717 -:- Recommendations : 0 -:- Currently Reading : 0
Disclaimer: I do not own Majin Tantei Nougami Neuro nor any of its characters. I make no money from this work

Chapter List
- 1-I Know What You Need
- 2-These Marks Will Last
- 1
- 2
A/N: This was intended to be a one-shot, and ended up being something...quite a bit more. I have also posted this on my Y!Gallery account Gyrfalconne.

“Sasazuka-saaaan!” Katsuragi, Yako greeted the gray-haired detective. Sasazuka waved lazily, his eyes at half-mast as usual. “Yo, Yako.” His greeting was nearly as enthusiastic as his wave. The young blonde’s chipper face melted into a more serious expression.
“Is there another criminal?” She asked, eyes wide and concerned. Sasazuka waved her off, lighting up a cigarette.
“Nothing like that. Just saw these and thought you might like some.” The tone was casual, though his eyes were unusually sharp as he scanned the room. Revealing the parcel, he slid it across the desk, where Yako could see it clearly.
“Kyoto Yatsuhashi!! These things are great!” She exclaimed, ripping into the box before stuffing one of the triangle shaped sweets into her mouth with a hum and wiggle of enjoyment.
Sasazuka scratched at the back of his head, not terribly interested in the young gourmand’s experience with the regional sweets. “Ah, so where is your assistant?” he asked very casually. Too casually.
Yako’s eyes sharpened, before being masked behind a cheerful smile. “Neuro? Ah, he’ll be in later. Would you like to wait till he returns?” Sasazuka pinched the bridge of his nose before adjusting his tie
“Ah, no, it’s no big deal.” His tie was still loose, but he continued fidgeting with it for a moment.
Yako smiled placatingly, swallowing thickly. “I’ll let him know you asked after him…” Sasazuka looked mildly alarmed before waving a hand in negation.
“That’s not necessary. Enjoy your sweets.” With a half-hearted wave Sasazuka slouched out of the office, not realizing that Yako’s eyes were trained on his frame till the door clicked shut behind him.
_____
“Hm?”
Neuro stopped at the threshold of the office. The faint scent of cigarette smoke and leather wafted to his nostrils. A sly grin crossed his features, as he let the scent of the human wash over him, then stepped through the doorway.
“Servant number one.” Neuro greeted Yako, just as she popped something triangle-shaped into her mouth. “Did Detective Sasazuka bring us a mystery?” Yako choked and pounded her chest, until she could breathe again.
“N-no. He just came to bring me these awesome yatsuhashi!” She answered, sticking another one in her mouth and chewing delightedly. Neuro raised an eyebrow in disbelief, before grabbing the human’s head and slamming it against the desk.
“That’s not all, was it?” He asked cheerfully. The blonde shook her head, before sitting up with a perplexed look on her face.
“He asked after you.” Her tone was serious, as she set aside the box of sweets. “I think he…needs something though.” Brows furrowed and fingers came up to finger her jaw thoughtfully.
Neuro waited, knowing the perky blonde was working something out in her insignificant brain. She was, unfortunately, better than him at figuring out why people did what they did. Neuro generally didn’t care why mysteries were created. It was enough for him that they were, and that they were delicious.
“I think…” Yako mused “he wanted to ask you something he didn’t feel comfortable asking me. Maybe because you’re a man?” Yako eyed the handsome demon before letting out a nervous giggle. “Though you’re not really a man.”
Neuro casually stomped his foot into the schoolgirl’s midsection, causing her chair to tilt back and hit the wall. “I may not be human, but I am what demons identify as ‘male’. I even have the requisite parts. Would you like to see?” Neuro unsubtly thrust his hips forward, leering obscenely.
Yako yelped and covered her eyes, panicking. “NO! I DON’T WANT TO SEE!”
A low chuckle caused her to peek out from behind her fingers, and breathe a sigh of relief as Neuro was safely sitting on the ceiling, arms crossed over his chest. “What do you think Sasazuka would want to talk to another man about?”
Yako’s face turned bright red before she muttered and busied herself with paperwork. “How should I know?”
Neuro could smell the lie in her words.
“Yakooooo” He leered, his eyes glowing faintly green. The human gulped before sighing in defeat.
“Alright look – Do not tell him I told you this.” Yako gave Neuro a rather ineffectual glare. “When Kana-chan and I were out last weekend we went to this dance club. There were a few other places on the way, and we passed by this weird club…”
A faint blush rose on her cheeks, inciting Neuro’s curiosity. “What kind of club was it?” He purred. Yako swallowed again and Neuro was slightly disturbed, but even more piqued to scent something unusual from the teenager.
Arousal.
“I didn’t know what it was called then, but I did some research later. It’s called BDSM. People went to this club to hang out with other people who did that sort of thing, I guess.”
Neuro dropped to the desk, and stuck his hand inside the computer, bringing forth the fascinating wealth of knowledge about this particular topic.
Bondage. Slaves. Masters. Dominants. Submissives. Sadists. Masochists. Toys. Sex. Rules. Oh but there were a lot of rules. All of it flashed into Neuro’s mind in seconds.
“I see.” A different kind of hunger sparked within the demon.
“Anyways, I saw Detective Sasazuka going inside. He was wearing this…weird outfit. Leather pants, and a collar. Some guy was leading him around on a leash.” Yako rubbed at her arms betraying nervous energy.
“I don’t know, but something about the way he was acting made me think he needed someone to…uh… ‘Master’ him. Dominate him or something. It makes sense in a way…he has to be in control all the time at work, why wouldn’t he want someone else to be in control every once in a while?” She mused.
Neuro abruptly stood up and started walking out, before glancing over his shoulder. “You should make a point to not be here for the rest of the week.” Yako’s eyes lit up.
“I get the whole week off?!” She exclaimed, hope suffusing her childish face.
“Sure. Just make sure you find me a delicious mystery by Monday.” Neuro answered sweetly before slamming the door behind him.
Yako’s elation deflated, like the air whooshing out of a balloon. “That jerk! Making me find him a mystery on my own!”
_____
Eishi Sasazuka sat at his favorite coffee shop, staring mindlessly at the menu. He didn’t know why he went through the routine of looking at the damn thing. He ordered the same thing every day, but every day he looked at the menu to see if there was something new.
“It’s still the same.” Neuro answered his unspoken thoughts, taking the other chair at his table without being invited. Sasazuka looked over at the handsome young man, seemingly unfazed by the other’s rudeness.
“I guess you’re right.” He replied, closing it and setting it down. His eyes flitted back up to Neuro. There was something…dark…about this man. He was fascinating in every respect. He had no background, no family, and his boss was a teenage girl. Definitely fascinating.
“Did you need something?” He asked, lighting up a cigarette. Neuro smiled innocently, before waving over the waitress. “Just thought I’d say ‘hi’. Yako mentioned you came by yesterday.” Neuro grinned at the slight flinch that Sasazuka gave at the mention of his visit.
The waitress finally made her way over, pad in hand. “What can I getcha boys?” She chirped. Neuro hardly gave the woman a second glance before answering succinctly. “Two coffees – black, and a slice of cheesecake for my friend here.
Sasazuka’s eyebrows rose in surprise, before he nodded at the waitress, confirming the order. The woman bustled off, and Sasazuka leaned in, resting one elbow on the table and taking a long drag of his cigarette.
“You know what I like?” He asked, seemingly bored. Neuro saw through the act though, and sensed the flicker of interest in Sasazuka’s eyes, and smiled deviously.
“I know all about what you like.” He replied, a husk in his voice that had not been there before, startling Sasazuka into dropping his cigarette. The officer swore quietly and stubbed it out in the ash tray. The waitress returned in a matter of moments with their order, clinking cups onto the table in front of them. Neuro busied himself with the sugar bowl, until she left.
Sasazuka covered his confusion by reaching for the steaming cup and sipping gingerly at it.
Tired of games, Neuro laced his fingers together and rested his chin on the long digits. “I understand that you participate in a lifestyle that others might find…unusual?” Sasazuka nearly choked on his coffee, and set the cup down gingerly.
“I don’t know where you heard that but…”
Neuro grinned wickedly. “Sensei is very good at what she does. Do you really think she would work together with you and not know a thing about you?” Something about that felt wrong to Sasazuka, but he passed over it for the moment.
Reaching for the cheesecake, Sasazuka sighed. “What does my personal life have to do with anything?” It could be bad if word of his…tastes…got back to the department.
Neuro leaned in, his green eyes so intense they seemed to flicker with an inner light. “It matters to me, because I am what you might call a ‘sadist’ and a ‘master’. Something I understand you might need.”
A full-body shudder ran through Sasazuka at the words, his blood igniting with lust.
“You…ah.” For once the Detective was at a loss for words, so he took a hasty sip of coffee, his trembling evident to Neuro’s eyes.
“So.” Neuro smiled sweetly, making Sasazuka wonder if he really was what he said he was. “Would you like to play with me?”
A faint smile crossed Sasazuka’s lips, as he set down the porcelain cup.
“Let’s talk about the rules first, shall we?”
_____
Sasazuka knocked on the door of the detective agency, feeling like it was the first time he’d ever been there. His heart thudded loudly in his chest, and his stomach refused to unclench. It was always terrifying when he chose to play with someone new.
Even though he was acquaintances with Neuro, and despite the fact that they’d discussed Sasazuka’s needs and limits, there was always the unknown factor of how a Master ran the Scene. It was thrilling and nerve-wracking, and the perfect build-up before the evening even got started.
The door swung open, and Neuro stood there in black slacks and a white tank top, and a smile on his face. It gradually widened as Sasazuka fell to his knees, and laid his cheek on Neuro’s shoes. “I am prepared to take any pain it pleases you to give me, master.” Sasazuka said softly.
Neuro knelt down, running his gloved fingers through Sasazuka’s silver hair. The caress was unexpected, and it sent a shudder of anticipation down his spine.
“It’s so rare these days for me to find a pet that knows how to properly greet its master.” Neuro murmured, before fisting his fingers in the just-long-enough tresses, and pulling. Sasazuka huffed out a breath when the tension was just right, and he felt himself harden beneath his slacks.
“You must not have had very good pets.” Sasazuka said breathlessly. Neuro pulled Sasazuka in by his hair, and bit the lobe of the man’s ear, causing a slight whimper. “Very true. Now, come inside before I decide to tie you up right here in the hallway.”
Neuro released him, and watched with an intense feeling of satisfaction as the man crawled ahead of him, and sat just inside the doorway, with his hands on his knees and his head down. Licking his lips, Neuro shut the door behind them, and threw the deadbolt, smirking when the sound made Sasazuka jerk slightly.
“Now, pet – undress. For every second it takes you to get undressed, I will punish you.” The color drained from Sasazuka’s face, before the man was in a flurry of movement, clothes and shoes going flying as he scrambled to obey.
It took –literally- ten seconds for the Detective to go from clothed to un-clothed, and back on his knees. Neuro’s gaze devoured the pale, pale skin of his pet, and lingered over each of the faint scars, including the most recent ones on his chest, where the skin was still shiny and pink. The man was long and lean, with muscles lightly defined from pounding the pavement and chasing dangerous criminals all over the city.
“Ten seconds.” Neuro stated, keeping his voice even. “So disappointing.” Sasazuka’s shoulders slumped, and he hung his head, a flush of shame on his cheeks.
“I’m...I’m sorry master.”
Neuro leaned back against the piece of special equipment he had used Yako’s credit card to pay for.
“Oh? Maybe you can earn my forgiveness…” Sasazuka looked up, carefully not meeting Neuro’s eyes. Leaning forward, his eagerness was more than evident. “If it pleases you to give me the opportunity, master.”
‘So pretty’ Neuro thought, upon seeing the human kneeling and eager to please.
“Well then. I have recently acquired this lovely piece of equipment.” Neuro stroked the lacquered wood of the structure with one hand, delighted when he saw the intense look of want on Sasazuka’s face. “Perhaps you could assist me by breaking it in?” He requested in a voice that made it…not a request at all.
Sasazuka’s eyes roved over beautifully-crafted structure hungrily. There was a spanking bench, and a stand with cuffs on the ground, and another pair of cuffs hanging from the over-arching support. A wide open-backed bench with straps for thighs and wrists was currently loaded with soft pillows. Off to one side was a rather conspicuous box which could have contained anything smaller than a mastiff.
Sasazuka’s cock throbbed and twitched in obvious interest. “If…” he swallowed thickly. “If master would be so kind as to allow me to…to assist, it would be more than I deserve.”

Neuro grunted in agreement.
“Indeed, it is more than you deserve, pet. However, if you continue to speak so prettily, I might decide that I want to try all the interesting functions that my new toy is capable of.” Sasazuka groaned lowly, desire flooding his synapses.
Neuro quite enjoyed the look on the silver haired man’s face. “It seems you agree? Let’s begin by getting your punishment out of the way.”

Neuro kicked the lid of the box open and rummaged through it before coming up with something small that he kept hidden in his hand. He strolled over to the kneeling man, and crouched down so that he could better see the reaction on Sasazuka’s face.
“This is your punishment.” Neuro smirked, revealing what was in his hands. Sasazuka whimpered. “The…the rules, master?” He asked, a hint of desperation in his voice. Neuro carefully wrapped the leather cock-ring around Sasazuka’s stiff length, petting the damp head with one knuckle.
“The rules say that you get to cum, pet. However, I will decide when.”
Sasazuka groaned at the feel of the leather wrapping around his length and balls. With a graceful sweep of arm, Neuro reached over and encircled Sasazuka’s wrist with his long fingers and tugged upward, indicating the older man should rise.
Following the non-verbal instructions, Sasazuka got to his feet, allowing the slender man to pull him along to the bench. “Sit here.” Neuro husked. Sasazuka sat, and allowed his head to lean against Neuro’s hip, in a show of trust and submission. Gloved fingers pet his hair once more- almost absently, before Neuro returned to the trunk.
“I have a collar for you, pet.” Neuro purred. “Not a permanent one, of course – but I think you’ll like it.” Sasazuka wet his lips upon seeing the collar Neuro wanted him to wear.
It was burgundy, with a golden tag on it shaped like an isosceles triangle – similar to the ones Neuro wore in his hair. The tag was large enough that Saszuka would feel its weight tapping against his throat and be reminded of exactly who was giving him the pain and pleasure he needed so desperately.
Neuro’s eyes flashed, and he allowed Sasazuka to kiss the collar before he fastened it around his neck. To Neuro’s demonic eyes, he could see the spell that was being etched into Sasazuka’s very DNA the moment the collar touched his neck. It was a claiming – and a warning.
Any creatures from the demon world would see Neuro’s mark on him, and leave the human alone, unless they wanted an agonizingly painful death. Mortals could not see his mark, but they would feel as if they were being watched by a hostile entity the more interested they became in the silver-haired detective.
Neuro took very good care of his pets. Especially ones that were so deliciously obedient, and knew their place was worshipping him at his feet.

He had not been lying when he told Sasazuka that he was both a Sadist and a Master.
“Good boy.” He praised, admiring the colors of blood and wealth adorning his pet. “Now, did you do as I asked?” Sasazuka flushed, and nodded. The man’s embarrassment was charming! “Show me.” Neuro demanded heatedly.
Sasazuka turned and rested his cheek on the bench, while reaching back and spreading himself for Neuro to see the base of the plug firmly nestled inside his hole, the shine of lube glistening wetly around the edges.
Neuro panted greedily at the sight, and couldn’t help but dive forward and sink his teeth into the soft white flesh of one of Sasazuka’s cheeks. The silver-haired man groaned at the bite, and Neuro leaned back, admiring the bright red welt he had left behind. “Very good pet. Now, grab the end of the bench.”
Sasazuka was staggeringly aware of the feel of leather against his throat, and gloved hands caressing his ass, as he obeyed. “Yes, master.” He whispered reverently. Neuro stroked the finely shaped posterior, as the detective got into position, before drawing one hand back and delivering a heavy swat to Sasazuka’s ass.
The fabric blunted the sting, but the detective grunted at the impact nonetheless. Several more swats fell, and Sasazuka’s skin began to warm beneath the attention. Neuro stood back for a moment, considering. Finally, Sasazuka dared to look back over his shoulder, his cheeks red, and a trickle of sweat trailing down one temple. “Master?” he queried at the sudden surcease of Neuro’s attentions.
“Just weighing my options, pet.” Neuro reassured him. A sadistic grin took over Neuro’s face, as he strolled to his box of toys, each choice more exciting than the next. Finally, he settled on a large flogger with suede-soft tails.
Dragging the tips over Sasazuka’s back, Neuro leaned in and dragged his tongue up the panting detective’s spine, before wandering over with curious lips and biting down on one shoulder, slowly increasing the pressure until Sasazuka was whimpering and writhing beneath the achingly slow assault.
“Mmh! Ah! Mas-“ Neuro’s pet panted, his hips jerking into the air in a desperate bid for friction. Swiftly, Neuro moved away and laid a firm blow on the flesh of Sasazuka’s ass with the flogger. The resounding slap was a musical accompaniment to the wordless keen that escaped from between the silver haired man’s lips.
The thrill of dominance washed through the demon, and he delivered five more heavy blows, his pet rocking back into them with abandon. Neuro waited till he stilled once more, then moved his strikes lower down, covering the backs of his thighs with lovely red welts. The color bloomed so beautifully on Sasazuka’s pale skin, that Neuro just wanted to spend the night marking this beautiful man up.
Once quivering thighs were thoroughly reddened, Neuro moved his work back up to Sasazuka’s ass, delivering fresh sting to overheated flesh. Sasazuka panted and moaned and whined in return, fully lost in the swish, slap, and sting of his flogging.
Despite the sweet noises that were emanating from the man bent over in front of him, Neuro reluctantly laid down the last strike, and stroked the flogger fondly before setting it aside. Sasazuka desperately tried to calm his breathing as the sheen of sweat covering his body cooled, and burned against his glowing skin.
Neuro moved around in front of his pet, and stroked the gasping man’s face, licking away a line of sweat. “Such a good boy.” He murmured, satisfaction suffusing his tone. “So beautiful in your pain. The noises you made were delightful.” Sasazuka whimpered, and turned lust-darkened eyes to master’s throat.
“M-master. So…so good. Thank you.” He whispered raggedly around harsh, shuddering breaths. Neuro leaned in and captured Sasazuka’s lips, teasing his tongue between the other’s lips. The kiss was slow, languid, and full of lazy desire.
“This sort of activity suits you.” Neuro murmured against Sasazuka’s lips as he pulled away. “Do you want more? Do you want me to give you every sort of pain imaginable?” Sasazuka panted hard with the weight of Neuro’s words. His bound cock throbbed between his legs, the ache in his taint the icing on top of the sting and burn from his flogging.
He felt amazing.
“Yes, master.” He groaned, horrified to realize that he could have cum just from the flogging Neuro had given him.
Neuro’s smile turned wicked, then falsely sympathetic. It sent shivers down Sasazuka’s spine, and his grip on the bench weakened, his knuckles white and red from the strain of how tightly he held on.
“Well then, pet. You must be exhausted from holding yourself up. Lay down over here, while I prepare your next treat.” Neuro gestured to the cushions laid out for such a purpose. Sasazuka stood stiffly, wriggling his fingers to get the blood going once more, before moving to the cushions and curling over the top of one, careful to not stimulate his already-straining cock.
Neuro returned shortly, his hair pulled back into a spiky tail at the base of his neck, and an obscene toy in one hand. The grin on his face was positively wicked, and Sasazuka shuddered in anticipation.
“Spread your legs pet, it’s time for something new.” Sasazuka complied eagerly, allowing his master to work the plug out, causing his prostate to make itself known anew.

Sasazuka groaned lowly, then gasped as the cold head of the dildo prodded his entrance before going in, and in, and in, till it seated and Neuro was running straps from it around his waist and thighs, to keep the toy inside him.
“Guh!” Sasazuka exclaimed, his grey eyes going wide at the sensation that was boiling up inside him. “Oh…oh God. Master, what…what did you-?” Neuro’s low chuckle emanated from behind him, as Sasazuka’s hips jerked and rolled without his consent.
“The lube I used for that toy was a rather special kind – it’s made with peppermint oil…do you like it?” Well that explained the intense sensations of heat and sparks assaulting his sensitive passage.
Sasazuka whined and thrust his dick against the pillow before gasping and rolling to kneel at Neuro’s feet. He put his hands behind his back and grabbed at opposite elbows in an attempt to prevent himself from jacking off furiously like some oversexed teenager.
Panting, he rubbed his face against Neuro’s shin, his hips undulating in an unsanctioned effort to get some desperately needed friction on his furiously leaking member.

“Master…!” He moaned, desperate for…something, anything! Neuro reached down and fisted Sasazuka’s silver hair, tilting his head back with a pull and twist of that perfect hair.
Sasazuka groaned at the touch. Master was so, so good at making him hurt in all the right ways. Even the heat and tingling within his passage was painfully erotic, making him dance in ways he didn’t know were possible.
“Very nice.” Neuro murmured, appreciating the heat and mindless devotion burning in his pet’s eyes. It was such a difference from the lazy, unconcerned face he presented to the rest of the world. This belonged to Neuro, and Neuro alone.
Caught up in a burst of possession, Neuro pulled Sasazuka to a half-standing position, as he ravaged the silver-haired man’s mouth with fierce enthusiasm. Sasazuka moaned against his lips, and let Neuro dominate the kiss as well.
Finally the demon pulled away, turning so swiftly that Sasazuka’s head nearly spun. Neuro still had a firm grip on his hair, and he dragged the man to the stand, stooping low enough to snap the cuffs around Sasazuka’s ankles, pausing just long enough to explore the detective’s straining erection with a long and very inquisitive tongue.
“Shit!” Stiffening in surprise, Sasazuka clenched his teeth as Neuro attacked his sensitive organ with that wily tongue of his. “Fuck. Fuck. Ohhhh. Master!” he cried, his sanity reaching critical mass. Reaching up, he stretched himself up on his toes, and grabbed one of the dangling cuffs, clicking it shut around his wrist. Even fully extended, he barely managed to get the other one closed around his wrist, and exhaled in relief once he was restrained.
The sensations assaulting him inside and out had brought him dangerously close to doing something shameful. He couldn’t help the thought of removing the amazing toy buried in his ass, and pushing master down so that he could ride his orgasm out on Master’s cock.
Master had not given him permission for that though. The realization made him whine and thrash against his restraints, even as Master had decided that he was done torturing that particular part of his anatomy.
“So eager.” Neuro observed, his viridian eyes taking in Sasazuka’s already restrained wrists. “I like you stretched out like this, at my mercy.” He murmured in the detective’s ear, before nipping sharply against his collar bone. Sasazuka panted in response, nearly past the point of no return. Neuro smiled wickedly and returned to his box of toys one last time.
Sasazuka watched Neuro move with a gleam of hunger and desperation in his eyes. His body was screaming at him for completion, for friction, for goddamn anything! Neuro slipped something into his pocket, and dug further in, searching.
Finding what he wanted, Neuro returned to Sasazuka’s side, his stance predatory. “Are you sure you want this?” Neuro asked lowly, knowing full well what Sasazuka wanted. The detective whimpered anyways, his knees weak and barely holding him up. “Please…please master.” He begged. Who was Neuro to turn down such a lovely request?
“Very well, pet.” Neuro stroked Sasazuka’s sweat-streaked cheek, the stubble catching on his glove, before he tied the blindfold around his eyes.

Sasazuka jerked at the loss of vision. He had asked for this! Ah! There was Neuro’s breath, against his skin, hovering just over the erratic pulse beating in his neck. The slightest flick of tongue against skin made Sasazuka whine and lean into the touch, but it was gone just as swiftly.
He felt Neuro’s hand prodding at the toy inside him, releasing the bonds that held it in. Sasazuka keened lowly as the wicked man teased him with it, thrusting it shallowly against his insides. Finally the toy was removed completely, and Sasazuka heard it fall to the ground, as if Neuro had tossed it aside.
He heard the swish of cloth, and a zipper being lowered, then something warm, hard and eager nudged against his entrance. Neuro’s warmth was suddenly pressed along his back, and his member slid easily inside his prepared pet. A drawn-out groan attested to Neuro’s appreciation of the confines of Sasazuka’s body.
“Please Master. Please do it.” Sasazuka begged shamelessly, rutting his hips against the firmness lodged deep inside him. He felt Neuro smile against the back of his neck, before long arms wrapped around his torso, and some sharp…things were pressing lightly against his chest.
He knew it was dangerous, and part of him hated that he wanted this…that was why the blindfold – Sasazuka had some serious hang-ups about seeing his own blood being spilled, but the….burn was so…intense and arousing, he couldn’t help but trust Neuro to do it right.
The steel….God it felt like claws!...pierced his skin, just over his pectorals, and dragged down slowly, the lines of fire lighting up nerve endings Sasazuka didn’t know existed. He cried out with a wordless shout, his body caught between flinching away and leaning in for more. Neuro felt the slight movements though, and pulled the claws away.
“Tsk. Be careful pet, lest I accidentally cut out your heart.” Neuro cautioned. Sasazuka sobbed something incoherent, and Neuro distracted him with a slow, careful fucking of his insides. The detective’s brain was…mush. All that was left was the burn of blade against flesh, and the tickle of blood trailing lazily down his abdominals.
The thrusting slowed, and Sasazuka’s breath caught in his throat when the cold steel tips of the claws trailed delicately up his belly, not cutting – teasing.
“Once more?” Neuro asked hungrily, the scent of blood hanging heavy in his nostrils. Sasazuka nodded, long past the point of words or coherence. Neuro, who had discarded his gloves, and was using his true form’s dagger like fingers to give Sasazuka the cuts he’d asked for.
Careful to place them nowhere vital, Neuro dragged his claws across a curve of rib, the tips parting the flesh just enough for the barest trickle of blood to escape. The human whined and convulsed, but Neuro had already removed his claws from his pet’s abused flesh.
Morphing his hand into something more human, he reached down and released the cock ring, letting the leather fall to the floor.
“Fuck!” Sasazuka swore, at the sudden freedom of his erection, as well as the increased pace of thrusting Neuro was subjecting him to. His insides felt scrambled, and the residual sting on his chest and ribs seemed like lines of sunlight behind the blindfold.
Feeling the detective’s insides twitch in an anticipatory clench, Neuro grabbed Sasazuka’s hair with one hand, and pulled his head back, biting down on the human’s neck with enough force to make Sasazuka clench down on Neuro’s cock and cum violently, a strangled shout working its way out of his abused throat.
Neuro thrilled at having a human that wanted him to hurt him…wanted to worship him, and come to his tortures willingly. Between that and the spastic clenching of the orifice he was thrusting into sent the demon over the edge, and he came with a feral growl that sent shivers down Sasazuka’s spine.
Both men panted, Neuro leaning against his pet’s back, trying to figure out what had just happened. He’d never had an orgasm in this human body, and the sensation had been…incredible. Almost as sating as the finest mystery.
Rubbing at Sasazuka’s abused shoulders, Neuro reached up and unclasped the cuffs, catching Sasazuka’s wrists before his arms could fall limply to his sides. He eased the tortured limbs down, pressing an uncharacteristic kiss against the curve of one shoulder.
Helping the human remove the cuffs from his ankles, Neuro dragged his pet over to the couch, heedless of the blood and cum and sweat covering them both. Pulling in the gray-haired man, Neuro used his pet as a pillow, and drifted off into sleep.

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I Know What You Need