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]

John grabbed the plug and then pulled out of Sherlock, only to shove the plug into the vampire. He stroked himself, sending more cum all over Sherlock's back.

"Look at you filthy slut... Covered inside and out in cum. I should make you stay like this while you breed me. Filled to.the brim with me." John hummed. "Or should I force my cock in your mouth and throat?"

[seaweed_writes]

"Unnnnnnff..." It was a rather jarring sensation for John to pull out of him while he was still in the midst of coming. He grunted when the plug was pushed into him. It was thick, thicker than himself, but not at wide as John, and he was so full that it displaced what was inside of him and even more leaked out of him, down his cheeks and thighs and onto the sheets.

He was filthy, wrecked, John was still painting his back, it seemed to never end. It was all over him now, back and sides and arse and thighs and legs and his own on his stomach and chest and hand.

"A-a-anything.." He gasped, his eyes pricking with tears. "Anything you want, Sir." He was falling fast. "D-d-o what you want with me... please... I am your slut.."

[ihadabadday]

John grinned at that and then pulled Sherlock off the bed by his hair. He forced him onto his knees. "Suck me." He ordered, "I want to see the head of my cock in your pretty mouth."

He was so hard still. The mere idea of all of this. He groaned and moved his tail to push into himself.

[seaweed_writes]

"Yy-yes, Sir." He grunted when he was pushed down to his knees. It pushed the plug deeper and he moaned loudly, his spent cock giving a little twitch. He licked his lips and opened his mouth, flicking his tongue against the glans, tasting salt and sweat and brimstone, liking up the come that was surprisingly still trickling down, the last of his leavings.

And he was still hard.

Fuck.

There was no way Sherlock could take much inside his mouth, he wasn't even sure that he could get the entire head, but he opened as wide as he could and slid forward, getting almost all of it inside before he started to gag and had to pull back.


"I.. I'm sorry, Sir." He said, his eyes downcast. "I will try again." He knew a bit more of what to expect now, and he changed the angle of attack a bit. This time he was just barely able to get the entire glans inside. He couldn't keep it all the way in for long though, so he pulled back a bit, leaving most still inside.

[ihadabadday]

John panted as he moved his tail in and out of himself, shivering. "One day my entire cock will go down your throat. I will be able to slide in and fuck your face. Would you like that?"

He grabbed Sherlock's hair and pulled him forward, forcing more of his cock in.

"I'm fucking myself with my own tail. Would you like to see that?" He asked. His voice was shaky, but still controlled.

[seaweed_writes]

Sherlock eagerly nodded. Deep inside he was fairly certain that he would never be able to get that much down his throat, it seemed like a physical impossibility. But for his Sir, he would try. He would be a good boy and try to take all of him.

His eyes went wide, he coughed and gagged when his hair was pulled and more of John was forced inside of his mouth. Tears streamed down his face and he desperately needed air. His body wanted to pull back, but John wouldn't let him. He was going into fight or flight mode, he could feel it.

He heard John's question, and tried to nod, but his body was still trying to get the huge length out of his mouth so he could breathe again.

[ihadabadday]

John pulled Sherlock off his cock and smoothed away the tears. "Good boy. Such a good boy for me. You'll be able to swallow it all one day." He knelt down and kissed Sherlock's bruised, but already healing lips. He smiled.

He then turned around and moved onto his hands and knees. His tail was moving in and out of his hole. So filthy.

[seaweed_writes]

Sherlock sniffled. He wanted to be good for his Sir. He wanted to be able to take it all. He knew right then he was going to find a way to practice. He knew that it would take a long time, but somehow, he would figure out how to get past the gag reflex and relax his muscles enough to take it.

He kissed his Sir back eagerly, sighing softly when he pulled back. He could kiss those lips forever. But his gaze was drawn to where John was using his tail on himself. Even with the wide triangle shaped tip, it still went easily in and out. He groaned, watching, entranced.

And he wasn't surprised when his length started to pay attention as well, going from soft to slightly hard as he watched. It was still pretty spent, but it was trying its best to get back into the game, it seemed.

[ihadabadday]

"Do you like it? Knowing that I can fuck myself while fucking you, forcing you to take my giant cock?" John panted. He was still so incredibly hard. He moved one hand to stroke himself.

"I know I could get your cock in my hole alongside my tail." He shivered and rubbed his thumb over the head.

"Soon I want to call some people I know to use you my good boy, shoving their cocks in your mouth and hole, making you swallow their cum."

[seaweed_writes]

"Nnnng.." He wanted to answer, but he was rendered speechless, watching John both use his tail on himself and stroke himself. He wanted that.. to know that John's tail was inside of himself while John was rogering him, slamming that giant length in him, over and over.

Well, that was doing it, he was almost hard already. That hadn't taken long, but when you are watching your lover please himself two different ways while telling you all the filthy things that he wants to do to you, well.. that's a bit of a given.

"Yesss..." Sherlock was able to barely hiss, while he started to touch himself as well. He wanted to be Sir's good boy, let his friends use him while John watched him swallow and be covered in them, sticky and used and wrecked and debauched, a plaything for Sir and his friends.

[ihadabadday]

John lifted his tail a bit, stretching his hole. "Be a good boy and put your cock in me. I want you to breed me. I want to grow gravid with our child."

He shivered and lowered his shoulders to the ground, keeping his arse in the air. "Please. Breed me."

[seaweed_writes]

Even though Sherlock was still in a major subspace- John had proved to be good at getting him there and keeping him there, he wanted to be good and breed his Sir. He stroked himself a few more times to make sure that he was nice and hard- that didn't take long. '

He was still totally covered with his Sir's come, so he used some as lube and stroked it on him, to slick him up. He crawled over to John and, without any preamble, pushed inside of him. After having that wide, broad, flat tail inside of him, he slid in easily, helped with the.. natural lube.

"Nnng... S-s-ir.." He groaned, pushing all the way in with almost no effort.

[ihadabadday]

John cried out and pushed back. Oh it felt good. So very good. He shivered. "Good boy. Now thrust. Don't stop until you come deep in me."

He wiggled his hips, whimpering. He loved this. Being in control, but he also loved submitting. This bonding was perfect.

[seaweed_writes]

"Y-y-yes sir..." He couldn't have stopped, even if he wanted to. Feeling his Sir around him, tight but not overly so, wet and lubed with his own seed inside of him, it was enough to drive him crazy.

He was his Sir's good boy. He was.. He would be a good boy and breed him and give him so much that he had to become gravid. He started to thrust, not even starting slow, he started at a blistering pace. He needed to be a good boy.. he needed to breed his Sir.. he needed to come. Sherlock was grunting and panting with each thrust, going as deep as he could each time.

[ihadabadday]

John had never wanted to have children before Sherlock. But now... Now he did. He wanted a family with this vampire. Regardless of what everyone else wanted for them.

"Good boy... Breeding me so well. It will catch soon." He panted, "I'll grow big with our child. Our brilliant child..."

He kept working his handover his cock, panting. He was close. So he stopped. He wanted to cum all over Sherlock's face.

"Wh... when you come, get something to plug it in me." He ordered.

[seaweed_writes]

Sherlock beamed at the praise. He was Sir's good boy. He was doing well.. It spurred him on even more. He could feel Sir stroking himself, and he found that he wanted it all over him.

"S-s-ir... if... I'm g-g-good.. c-can.. I.. have your s-s-eed?" He asked while he was still pounding into him. It had take all of his concentration just to be able to speak those words. He could already feel his bollocks start to tighten up. He knew it would only be a few more moments before he couldn't hold back.

They did have one more plug, it was a lot smaller, so it wouldn't hold in the seed as well, but it should be good enough to let it stay in there until it hopefully caught. At least they both hoped so.

[ihadabadday]

"We shall see." John replied. They needed to get another larger plug. He moaned and pushed his hips back. He was desperate for the seed. For it to catch and breed him. He shuddered, moaning. Yes. Please. He needed it.

"Fuck. Sherlock... My amazing boy. You're doing so well."

He pulled his hand away from his cock, groaning.

"Would you let me cum all over your face?"

[seaweed_writes]

Sherlock whimpered loudly.. He wanted to be good and get that reward. He thrust hard and fast, he was right on the edge.

"Y-y-yes..... S-s-ir." He groaned out, he wanted that so badly, for Sir to come on his face, it was about the only place right now that didn't have his Sir's seed all over it.

"Nnng.. S-s-irrrr!!!!" He thrust hard once, then a second time. He leaned his head back and let out an almost unholy as he exploded once again. surprisingly just as strong and hard as the first. He bucked inside of his Sir, filling him with rope after rope of his warm, salty essence.

[ihadabadday]

"Would you let me piss on you?" He asked, "Or in your slutty hole. Filling you with everything I can give you?"

John's words faded as he felt Sherlock fill him. He gasped and shouted and pushed back. Yes. He wanted that. To be filled and bred and and and...

[seaweed_writes]

"Y-y-yes!!! " He cried out, still spilling inside of Sir. "P-p-iss on me... a-anywhere you l-l-ike..." He groaned out, spilling and spilling until he had no more to give, and he collapsed on top of John, sweaty and panting and sticky with Sir's cum almost everywhere, but his face, and utterly, utterly spent. He literally had no more to give. He slipped out of John and collapsed onto the bed, still trying to catch his breath.

[ihadabadday]

"Get the plug pet." He ordered. He didn't want to come until it was all over Sherlock's face. God. What a sight.

He groaned and shifted, raising his hips a bit higher.

"Please..." he begged, sounding so close to snapping, "Get the plug for me arse, so you breed me like a good boy."

[seaweed_writes]

Fuck. He had totally forgot.. "I-I-'m sorry, Sir.. I'm sorry.. please don't hate me.. I'm sorry." Despite being utterly wrecked and having no energy at all, he snapped back up and crawled to the box at the end of the bed. He rooted around until he found the smaller plug. He crawled back up and inserted it. After having just been opened up, it slid right in.

Sherlock whimpered and put his head down, not daring to look at Sir. He had been bad. He had forgotten.

"Please, Sir. I'm sorry I disappointing you." He wasn't worried about being punished physically, he was so eager to please his Sir that he was mad at himself for forgetting almost right after he told him.

[ihadabadday]

"It's okay pet..." John moved onto his knees and stroked Sherlock's face, tilting the vampire's face up.

"I still need to come. Do you think you can lay on your back for me so I can come all over your face?"

The blonde kissed him tenderly. He was going to come all over his pet and then clean them both up, and then sleep.

[seaweed_writes]

Sherlock sniffled, he hadn't even realized that he had been crying, he was so upset at himself for forgetting to take care of Sir before himself. He rubbed at his slightly red and puffy eyes, then laid back on his back. The come that was on him was already starting to get sticky and dry and crusty, and he stuck a bit to the sheets because of the large amount his Sir had left on his back.

He spread his arms and legs out wide, closed his eyes and opened his mouth, ready for his Sir's piss or come or whatever he wanted to do with him.

[ihadabadday]

John straddled his chest and stroked his cheek. "Good boy. I'm so very proud of you. Yes." He began to stroke himself. The mere sight of Sherlock offering himself up... Knowing he could do anything to the vampire. But it went both ways. He would the vampire do anything to him.

If Sherlock wanted him mounted by beasts, he would get on his knees. It was filthy, but he loved it. And wanted it all.

John groaned as he started to climax, pumping seed all over Sherlock's face and neck and torso. He made sure he covered the vampire.