ihadabadday | The Black Book - AU - Locked to seaweed

"You know. You look so gorgeous speared on my cock." He praised, "And you're doing so well riding that dragon. And you can come however many times you want. I'm going to keep fucking your mouth until I'm satisfied." He rocked his hips forward again, groaning.

"Such a good hole you are. I love seeing you so desperate. Such a slut." John thrust further into Sherlock's throat as he climaxed.

There wasn't even time to beam at the praise that Sir was giving him. John rocked forward, Sherlock felt the twitch of his cock, and he just had a second to think about what that meant before John was coming down his throat, which did cause him to choke a bit and have to pull back. He couldn't take John deep and swallow his come and breathe. It was physically impossible, as much as he wanted to.

He moved back until John was only in his mouth and swallowed what he could. There was way too much for semen for him to swallow it all down. It was leaking out of both sides of his mouth, down his chin and neck and down to his chest.

"Mmmmmmffffff!!!! It was all too much for him. He slammed himself down onto the dildo again and let go of his cock. Immediately he screamed out as he came, thick, hot ropes of his own come splattering on John's legs, on himself, the chat and the floor.

John pulled back as he was still coming to make sure it got on Sherlock's face and his torso. He wanted to coat Sherlock in his seed.

He grinned at his vampire. "Do you want more pet? He asked, "do you need more in your hole?"

He pressed the tip of his still hard cock to Sherlock's lips again.

Sherlock sucked in great breaths of air when John pulled out of him, which meant that while John was coating his face, he got even more come in his mouth, which of course he eagerly lapped up. He was covered in come, between John's on his face and in his mouth and now on his body, and his own on his hands and between his legs, now leaking onto the exposed parts of the dragon dildo as well.

His own orgasm seemed to last a lifetime. He couldn't even try to answer John until it had finally faded and he was able to breathlessly nod his head. He tried to say "Yes, Sir" But it came out as a breathy gasping moan more than anything else, so he nodded again.

He would take whatever John could give him, as much as he would give him.

John smiled. "Take just the head into your mouth." He ordered.

He shivered when he felt those lips close around the head of his large cock. God. It felt good. He was sensitive after an orgasam.

He licked his lips and took a breath. He needed to come down from the high, let himself relax. He loved this part of Sherlock, the fact that the vampire trusted him so.

John let out a sigh as he began to piss, letting it fill Sherlock's mouth.

"You'd better swallow every drop pet." He ordered.

Sherlock nodded and did what he was told. He opened his mouth and took the thick head into his mouth. In his Demon form, even just the head filled his mouth well.

He groaned when he felt the hot liquid start to fill his mouth. It shocked him for a moment, then his instinct took over and he started to suckle at the head, his lips forming a seal around it so he could drink it all down and not miss a single drop of it.

His cock was starting to harden again, his prostate was being milked mercilessly. It was just on the verge of too much- too much stretching and too much sensation for his overly sensitive prostate and his now wrecked and stretched open hole.

And still he drank, being a good boy for his Sir, taking anything John would give him.

There wasn't as much as normal, due to the fact that he was using the bathroom so frequently because their child was pressed against his bladder.

John pulled out when he was finished and grinned.

"Good boy pet. Now do you want to ride your new friend again? Or should I put you on your knees and shove my cock in your wrecked hole?"

When John grinned, Sherlock grinned as well. He was a good boy and Sir was proud of him. He licked his lips, tasting come and piss and sweat.

It was perfect.

There was never any doubt what Sherlock wanted to do. He would always ALWAYS choose John over any other choice he was given.

"I... w-w-want... Sir.. to.. u-use me..." He managed to stammer out. He was on another plane, some heady mix of pain and pleasure and over stimulation driving him deep into a place where it was hard to get out of. He was honestly surprised he could even speak.

John nodded. "On the floor pet." He ordered. Once the instructions had been obeyed, he carefully went to his knees behind Sherlock. He ran his hands over the globes of that gorgeous arse and then spread the cheeks.

"Look how open you are..." he purred, "I bet if I wanted I could put my fist in you. Or you could take three cocks. I do love seeing you stuffed so much. So full."

He didn't wait for an answer before positioning himself and pushing in. John gasped and then began to thrust in and out.

Sherlock grunted and strained past the knot, which came out with a slurping pop. The rest of the dildo slipped out rather easily, in a loud, messy slurping nose and a rush of lube- Sherlock had used most of one small container just to get it inside of him.

When he tried to stand, he found that he couldn't and he fell to his knees anyways. His legs were weak, his arse was still leaking more lube.

"Mmmgggg.." Sherlock couldn't speak any more. He was too deep, too lost. He could feel how open and leaking he was. He heard John, but he couldn't respond, just a soft nod. He was a mess, covered in come and lube, and full of come and lube and piss in his mouth and throat and stomach.

He could feel John press inside of him, and he was so wide open and full of lube that John just slipped inside with almost no resistance of all.

"Oh fuck pet. You're so open. So easy for me to slide right in. Should I keep that dildo in you all the time? So I can fuck you whenever I want?"

John slammed in and out of Sherlock, gasping. He was close, he could feel it. He wasn't ashamed of how his mate made him feel.

He shoved in and gasped when he reached his climax. He pulled out once Sherlock's hole was filled and let his semen pour over his mate's back, coating him.

As much as Sherlock would like to be open all the time so that John could shove that Demon cock in him whenever he wanted, but he was pretty sure that he couldn't have that cock in himself all the time.. it was just too big.

All Sherlock could do was grunt in response while John fucked him hard and fast. It didn't take his Sir long before he was filling his arse with so much come it was leaking out, mixed with the lube that was already there. He moaned and let himself be thrust around while John fucked and filled him.

"Nnnnnn..." Sherlock whimpered, almost crying out when John pulled out. He'd been so full of his Sir, and how he was empty once again. He could feel the hot come hitting his back, ropes and ropes of it, John seemed to have massive amounts of his seed, and it was all over very single part of him now.

"Stay just like this pet." He said as he got up. John retrieved the dragon dildo and pushed it into Sherlock. He groaned when he saw more of his come leak out. Oh god.

He got up and went to retrieve a cloth to clean his mate up. But he wanted to see him squirm for a bit.

He was so lucky. John rubbed his belly, smiling.

Of course, Sherlock did what he was told. He stayed on his hands and knees, leaking come out of his arse and covered with come on every part of him. He hissed in a sudden shock of pain when the dragon dildo was pushed back into him- he hadn't been expecting it. His cock gave a little twitch.

He was filled again, most of the come that had been inside of him was pushed out, there was simply no room. But it was enough of a lube to get it inside, even the knot, which spread him wide then popped inside. The rest slid in easily.

He was floating, flying, out of body. He'd been fucked and pissed on and stretched twice. His body shook softly, he was almost beyond pain or pleasure, he was just... THERE

John returned to his mate's side and slowly began to clean off his face. "You've done so well pet. Taking everything I can give you." He praised, "As soon as our child is born, you'll taste my milk. And then you'll know what all of me tastes like."

He pulled back and smiled. "Let's get you in the tub and cleaned up."

"Nnnnggff.." Sherlock beamed at the praise. He wanted to be a good boy.. a good pet. He wanted to please Sir. And he had done a good job. He was over the moon.

"Mmmm..." Sherlock wanted nothing more than to taste his milk, drink from his teat, it would make it complete, he would know ever single taste of John. He couldn't wait until this child was born, so he would be able to suckle and taste.

He nodded his head, but he wasn't really sure that he could stand, especially with that giant dildo deep inside his arse.

John carefully helped Sherlock up and walked with him to the bathroom. He eased the man into the tub and took the nozzle off the stand. He turned the water on and began to rinse Sherlock off. He loved these moments. Caring for his mate.

He smiled and urged Sherlock to turn over. He carefully pulled the dildo out before positioning the shower head at Sherlock's hole to clean his seed and the lube out.

Sherlock had to lean heavily on John. His legs were shaky and sore and weak. He sighed with relief when he sank into the tub and the hot water started to wash over him. It felt good on well used muscles. He tried not to move too much, every movement made the huge dildo in his arse shift and hit his prostate again.

He grunted when the dildo was pulled out. A rush of come and lube came with his, and he sighed again,. his poor used hole was still stretched, but it started to relax with the hot water relaxing the muscles of his entrance.

"Ahhhhhhhhhhhhhhhh..." It was a long, releasing sort of sigh.

John finished cleaning him and smiled. "I can't carry you love. Can you walk to the bed?" He asked softly.

His doctor would be quite unhappy he knew he was carrying the vampire. He rubbed his belly as their child kicked. He winced a bit. They definitely had Sherlock's strength.

"J-just... l--let me lean on you J-j-ohn.." He says after the cleaning. He felt much better, cleaned and relaxed, but still sore and wring out and sore and very, very happy.

He used John to lean on while he got up, and John dried him off a bit. He limped a bit towards the bed and laid down with another long sigh. It felt great to lay down, and he almost immediately started to feel sleep take over him. He blinked slowly and with the last of his effort, pulled the covers up over himself.

John smiled once Sherlock was nestled in the bed. He cleaned up and redressed.

He went back out to the living room to make himself some tea and watch the telly.

He settled back on the couch, letting out a sigh. This was far more comfortable than their old one. He propped his feet up and let himself be distracted by the telly.

Somewhere deep in his mind, he wanted to ask John to stay, at least until he fell asleep, but he was already so far gone, he couldn't do more than just moan softly, and shut his eyes.

He was asleep in less than a minute after John gently laid him down in bed. He slept, deep and dreamless, a soft smile on his face.

Everyone was surprised when John made it to the eight month of his pregnancy. He was sitting on the couch, his feet propped up, chatting with his mother. She was visiting while Sherlock had run to the Yard for some cold case files.

He paused when he felt something twinge. What? He smiled at Martha. "Just a rough kick. This little one is strong." He laughed.

Since that night (and the subsequent three days of soreness when it was hard to walk) they had been pretty quiet and vanilla when it came to anything sexual. The longer John went on, the more nervous and afraid Sherlock was to do anything to cause any issues with the baby or cause it to be born early.

When they hit the 8th month (that was only 2 days ago) they were both ecstatic. So Sherlock was pissed when Graham called him to come get some cold cases that he could work on while they waited for the baby to be born. Gavin could have dropped it off, but he said that he was busy, so Sherlock told John that he would be back in less than an hour, don't have the baby, and he loved him.

And then he was off to New Scotland Yard.

John paused and swallowed. "Mum, you need to find Sherlock. Now." He said. He was not having this child without his mate present. No. He refused.

He got up, keeping a hand on his belly. It seemed to sit lower than it had last time he got up.

The Holmes-Watson child was coming.

The Black Book - AU - Locked to seaweed_writes

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