The Black Book - AU - Locked to seaweed_writes

[ihadabadday]

He was lucky with his expertise he was able to find a job relatively quickly in a field he was familiar with. John looked down at his mobile as the alert came through. Christ. It was going to take him at least twenty minutes, if he was lucky, to get to the scene. But, he packed his things into the case and headed out.

He had been in Afghanistan for five years. First as a medic, then a doctor, and finally a hunter. He still was a doctor, but he had been assigned to an elite unit in the desert. Part of him felt a bit odd about all of it. But he didn't quite mind.

He made sure he had everything before he left.

He heard the annoyed voices, before he saw anyone as he entered the room.

"Oi. Who're you?" A man with two days of stubble and mussed black hair asked.

John paused and looked him over before his eyes landed on the gentleman in the suit with salt and pepper hair. There he was. "DI Lestrade? I'm Doctor John Watson, the new Occult Specialist, I just started last month." He gave him a smile, wanting to be nice, but not too friendly. People got jumpy around the occult. He saw it all the time in Afghanistan, and even here in London.

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[ihadabadday]

He shook his head. "N.. No. It just feels so good." He hiccuped, "don't stop. Please. Just keep moving in and out of me. Please...."

His head was spinning. It felt good. So very good and he wanted to keep it going. More and more. He wanted to feel Sherlock lose control inside him.

[seaweed_writes]

"Okay, okay. I will. " Sherlock nibbled just enough to bring up two little dots of blood. He licked the blood up then blew his cool breath on his neck again.

"I want to come inside of you, John." He said, as he started back up, going a bit faster and harder than before. "I want you to feel me spilling inside of you while you stroke that enormous cock of yours and make an absolute mess on my bed."

He grunted, speeding up again. "Look at the bed, the sheets are already ruined. You leak more than I come. And when you do come, you are going to flood this bed sheet with yourself because you have so much inside of those huge bollocks. I felt them empty into me last night.."

[ihadabadday]

John was losing control. He wanted Sherlock to fill him, give him his seed. He sobbed and pushed back. "Please. Come in me. Fill me. Please. I want you to fill me so."

Part of him did want to be impregnated by Sherlock. What brilliant children they would have.

He barely paid any attention to his leaking cock as the vampire moved in and out. Claiming him. Owning him.

[seaweed_writes]

What Sherlock did next was total instinct. He didn't even think about what he was doing. He just did it, and when he did, he lost, he was gone.

While Sherlock was fucking John, he leaned down to the pulse point on John's neck..

And he bit.

Even though he had just fed the evening before, less than 12 hours ago, feeding again from John while he was rogering him sent him into a frenzy.

He started to thrust hard and fast, buggering John so hard that the bed was shaking under them. He continued to suck on John's neck, each pulse of John's heart gave him another taste of blood.

Sherlock was totally gone- he couldn't speak or do anything but breed and fuck and take and oh it only took him a few hard thrusts, hard enough to move John forward before he yelled out and slammed into John as deep as he could go, spilling his seed inside of the half demon under him.

[ihadabadday]

John cried out at the bite. And the harder fucking that came after it. Oh! Oh! This was amazing. Wonderful. He was spiralling down and down, heading towards his release.

The way Sherlock was moving in him. It was almost like he was being bred by this vampire. His head spun, but he found he wanted that. To be bred and bred. He did want a child with this vampire.

But it was Sherlock coming inside him that set him off. John shouted as he climaxed.

[seaweed_writes]

It seemed like ages before Sherlock finally made one last thrust, and then collapsed on top of John, flopping onto his back, still semi-hard inside of him, and leaking the last few dribbles of his come.

It took him a moment to realize that John was still climaxing underneath him, shaking and making grunting noises and totally ruining his sheets with what looked liked liters of his come. He had no idea how much it really was, but it just amazed him to see how much seed the man had. If he had wanted to impregnate someone- if he was even able to, then it would only take one time, with as much semen as he had.

And all of that had gone inside of him last night.

"John." He panted while John's orgasm, and his flood of come, slower and then finally stopped.

[ihadabadday]

John raised his head and looked over his shoulder at Sherlock. "Hm?"

He was wrecked and it was an amazing feeling. He loved every moment of it and wanted to do it again. He let out a breath and shifted back to his human form. He knew Sherlock preferred his true form. But sometimes the wings just got in the way of cuddling.

"Sorry I wrecked your sheets." He said in reference to the claw marks in them.

[seaweed_writes]

Even though there was very little size difference between his human an demon forms- Sherlock wondered if there were any demons shorter than John, there was still a bit of a shape difference, and as John shifted, Sherlock's now soft cock naturally fell out of him, bringing another trickle of come to the already soaked sheets. Of course he preferred John in his true form, but he didn't mention it.

Sherlock chuckled and shook his head. "Between the amount of come that you spill, and your claws, I think we are going to have to figure out something to do about the bed." He really wasn't all that worried about it. Sure, they had been nice, high count sheets (that now look like a tiger had been on them) but the sex had been bloody fucking amazing, and he knew it was going to happen again. He had no idea yet what the solution was, but he'd figure something out.

"We really can't cuddle until we change the sheets, unless you want to get permanently stuck to them by your own semen." he laughed and kissed John, then- reluctantly- got off the bed. "And we both need a shower, I think."

[ihadabadday]

He huffed. "Fine." John got off the bed and stretched. He made his way to the bathroom and started the water.

John got in the shower, letting the warmth pour down over him. He let out a breath and reached up to rub his injured shoulder. It was the one part of him that he couldn't glamour. The arrow that had struck him had been spelled. It wasn't white magic. But it still injured and maimed. It was only thanks to his nature that he survived the impact.

He began to wash up, taking a moment to wash Sherlock's seed out of himself. He shuddered at the feeling of the water in him.

[seaweed_writes]

Sherlock frowned at the huff. Had he said something wrong? It was true, there was no good place for even one person to lay, much less two, with the mess that they had made together. Okay, it was mostly John, but he had helped.

He sighed and let John go, then gathered up the sheets- happt to see that by some miracle nothing had gotten to the mattress, and threw them in the larger bin in the kitchen. They wouldn't have fit in the small bin in the bedroom.

He was sore and sticky, but John had left in a bit of a huff, so he decided to let John get a shower by himself. Instead he busied himself with finding and putting on his second best sheets. John didn't need to know that those had been his favorite, though Sherlock still didn't regret a moment.

Well, up until whatever he said to make John go away in a huff.

[ihadabadday]

John finished his shower and stepped out. He began to dry off. Once he was dry, he left the bathroom and returned to the bedroom.

"I owe you a new pair of sheets." John said sheepishly.

He loved over and kissed him slowly. "I enjoyed every moment of it. Truly."

[seaweed_writes]

Sherlock's shoulder visibly slumped once John came back into the room and kissed him. He thought that he'd dome something wrong- again, and he wasn't even sure what. Had John been mad at him about complaining (albeit rather jokingly) about the sheets? They had been his favorite, and rather expensive, but he wouldn't tell John that.

He kissed back eagerly, running his hands up and down the man's back. "And I as well." He replied, his voice low. And then with a flash, he remembered. He went around so he could see where he had bit at John's neck. The two little puncture wounds were already scabbed over. He must not have drank too much.

And he slumped even more with relief at that. He was going to have to be careful. He knew that biting would never turn a full demon, but John was half human, and had no idea what might happen. The last thing Sherlock wanted was for John to share this curse with him. He already had enough persecution and prejudice being a half demon. He had no idea what a half demon vampire would be like, but Sherlock wasn't' sure that he ever wanted to know.

[ihadabadday]

John shivered when he felt those hands roam his back. The cool of those hands were such a contrast of his own skin. He let out a breath. His eyes looked down at the soft cock that had been inside him.

He licked his lips and then looked back up at Sherlock.

"Pick out the sheets and I will buy them for you." He said.

[seaweed_writes]

Those eyes roaming his body, those warm hands on his skin. His cock gave a sympathetic twitch when Sherlock saw John staring. As much as he wanted to, even as a vampire, he had a refractory period, though he had to admit it was shorter than most humans of the age that he was when he turned.

He was turned as what would have been a young man in this modern era, but the fact that he had just reached 30 when he was turned in the 1600's was a feat- the average life expectancy in his time was only about 35 years. He had already been in what would have been the twilight of his life.

And now, he was, functionally, immortal, and bonded with a half demon that he had no idea the life span of.

He could only hope that if John died, he could find a way to die with him. But that, hopefully was hundreds of years off, if not even more.

Sherlock shook himself out of those morbid thoughts and back to John.

"It's really okay, John. I can get more sheets. We will most likely have to find some sort of thick plastic undersheet so nothing will leak onto the mattress and it will be somewhat protected. And we should probably start buying cheaper sheets in bulk." He smiled, hoping that he hadn't offended John.

He unfortunately seemed to be good at that.

[ihadabadday]

John smiled and stepped closer. He nuzzled Sherlock's neck, inhaling the vampire's scent. "Mmm... We can do that." He pulled back and smiled. He then reached down and palmed his soft cock.

"I do want to swallow you down, feel you harden in my mouth." John knew what words could do.

[seaweed_writes]

"Nnnngg.." Sherlock moaned and closed his eyes when John started to grope him.

Without really thinking about it, he bucked a little under John's touch. To his absolute amazement, his cock was.. at least trying.. to show some interest. It pulsed and twitched in John's still human hands.

"J-John..." He stuttered slightly starting to think that if the half demon kept this up, he may just get his wish..

"Tell me.. more.. tell me all about it." He loved dirty talk when it came to the bedroom, both giving, and recieveing it I w-want to hear about everything that you will do...".

[ihadabadday]

John went to his knees in front of Sherlock and looked up. He ran his hands along his thighs and smiled. "I'll lick the tip of your gorgeous cock. Sucking your pre-come away. I'll run my tongue under your foreskin and then pulled it back with my hand so I can wrap my lips around the head."

He leaned in and licked at Sherlock's soft cock. He could see the interest stirring in the vampire. He smiled and nosed at his testes. "I could lick your tiny hole open and slide a slim vibrator in, press it against your prostate."

[seaweed_writes]

"Ohhhh... fuck.." John's words were indeed having an effect on Sherlock. He shut his eyes tight and leaned in so he could brace himself on the wall, he wasn't honestly sure if he would be able to stand any other way, since all the blood in his body seemed to be rushing to his cock, which was already starting to fill and harden.

"Joohhhnnn..." It was the neediest that Sherlock had ever sounded. This was so good, but it wasn't near enough. "I...h-h-have a vibrator.. in... t-the beside table." He had gotten it recently, and he wanted to thank whatever god or devil was watching over then that he had. He'd been rather pent up recently, after having gone through a rather long dry spell.

That seemed to be over, now.

And he wasn't sure that he could trust his legs to actually stand on their own without leaning like he was now, much less walk to the beside table and back.

[ihadabadday]

John pulled back and sat back on his heels. He looked up at Sherlock and grinned at him. "Then go get it. I want it in you when I ride your long cock." He told the vampire.

He smiled up at his mate. He had the urge to take and take and take until he was sated. He knew there was a low probability that he would actually be impregnated... But the mere act of taking the seed into his body... It was enough to send him spiralling.

[seaweed_writes]

Damn him, Sherlock thought with a bit of a smile. He knew he could hardly walk.

But somehow, he managed to walk- or really more like a shuffle- to the bedside table, where he grabbed the vibrator and came back to where John was still kneeling, naked and still slightly damp, and already starting to get hard. It was quite easy despite his position to see the thick, long length already jutting out of those damp, thick, sandy brown curls.

Sherlock was feeling a bit naughty though. Instead of turning it on, he just stood there and waited for John to say or do something.

"Well?" He asked, a bit of sass in his tone.

[ihadabadday]

John watched him and grinned. "Well what Mister Holmes?" He moved one hand to wrap around himself. He stroked himself slowly, leaning back, to give Sherlock a show.

"I want to ride your cock until I come all over your chest. I want to feel your seed paint my insides. Knowing there was the tiniest possiblity that I would carry your child."

[seaweed_writes]

Sherlock's eyes were wide open now, watching the 'human' John stroke himself and knowing that really, his true form was more than twice that again, just hiding.. waiting to take or be taken.

He licked his lips, then reluctantly moved his eyes from John's cock, to the vibrator in his hand, and then to John's eyes. "I... I thought you wanted to suck me while I use this?" He said holding the vibrator up. It was a swift and hard change of direction, the whims of this half demon were fleeting, apparently.

"So, which is it, Mister Watson? You can't do both.." He teased a bit.

Even as he teased though, he shivered. What if.. what if he really was able to impregnate John? What would that be like? How would look, heavy with child. Could he even look like a human, or would he not be able to shape shift while pregnant? Not that Sherlock would mind of course.

[ihadabadday]

John chuckled. "I certainly can do both. I never said I would suck you to completion." He answered before shuffling forward a bit.

"Suck you until just before you cum. Then pull off and wait for you to catch your breath. Then I'll mount you and ride you. All while that toy is nestled in your arse."

John grinned at him and licked the top of that hard cock. "What do you say?"

[seaweed_writes]

The only answer he could give was a grunt. Between John sucking him off, and the toy in his arse, he wasn't even sure he could make it more than a few short minutes.

"Will you..... can you be yourself... please?" He asked, shifting a bit from foot to foot. He was rock hard, just with the thought of it, his cock jutting out proudly in front of him, long but thin, with its slight upwards curve.

He'd never admit it, but in addition to much preferring John's true form, the idea of being covered in that much come... well it made him shiver again, his cock gave a sympathetic twitch.

[ihadabadday]

John looked at him and swallowed. "Not yet. I want to ride you as I am right now. Everything will just get in the way."

He reached up and took the toy from Sherlock. John made sure the vampire was watching as he took it between his lips, sucking slowly. He began to move his head up and down over the toy.

After just a few minutes of that, he pulled back. "Would you like this in your arse?"