ihadabadday | The Black Book - AU - Locked to seaweed

"Nnnng..." Sherlock had been half hard when John came in and talked to him. And it only took those few words, and that soft touch for him to harden fully.

He moaned and arched his back. "Whatever S-s-s-ir wants.." He wasn't even sure what he wanted.. Just something.. ANYTHING. "P-p-lease.. use me, Sir."

"Tell me..." he said pulling his hand away. "I want to hear what you want."

John was enjoying this. He would never tell Sherlock that this distraction was really his sire's idea. He moved his hand to Sherlock's chest and smiled.

Sherlock whimpered and shivered when John took his hand away- he felt so empty so quickly. He didn't even really know what he wanted, so he was quiet for a few moments.

"C-c-an you... open me up with the dragon dildo, then... turn into a Demon and fuck me? Please, Sir?" The dragon dildo was the only dildo that they had been able to find that was actually a little bit bigger than John in his Demon form. It was how Sherlock stretched himself for when John wanted him quickly, or when John wasn't in the mood and Sherlock was.

"I.. wanna be messy....Sir.... have your come in my hole and all over my back and legs and arse. Please."

John hummed. "Oh pet, do you want me that bad?" He purred, "I can put the cock on a chair and watch you ride it..."

He got up and went to their toy chest and got out the lube and the dragon dildo.

He returned to the bed and looked at him.

Sherlock nodded eagerly. Yes, yes wanted John that bad. He always wanted John that bad. That's why he had the dragon dildo, so when John felt back and wasn't in the mood, he could still be stretched. It wasn't exactly the same, but it still felt nice.

"Y-y-yes, s-s-ir.." He watched, still laying on the bed, while John got the dildo ready. It had a suction cup base that could be put on or taken off it you wanted to use it on the floor or a chair or even the sower. That had been a nice wank session, Sherlock thought with a groan.

John attached the dildo to a chair and then returned to the bed. "You're going to ride that gorgeous cock while I think about letting you ride my demon cock."

He always would, but he liked making Sherlock squirm. He smiled and smacked his mate's hip. "Roll over. I need to stretch you a bit."

Sherlock whimpered and wiggled a bit on the bed. Just having John talk about how he was going to ride that dragon dildo, and then, if he was a good boy, Sir would let him ride his. The dragon was nice, and big, even bigger than Sir, but he much preferred Sir's real cock.

"Ah!" He let out a noise of surprise at the slap on his hip. It stung, for just a second, but it got the point across. He rolled over onto his stomach, groaning at the fact that his cock was now getting a little friction against the bed, but it wasn't nearly enough to actually get him off.

"Now now. No getting yourself off." John scolded. He kissed Sherlock's lower back and then pushed a dry finger into the other man. He began to move it back and forth, slowly, teasing.

"You love riding cock, any cock. Don't you? What would you do for a chance to fuck a line of cocks?" He asked.

"Nnnnnnggg..." They hadn't done anything in a bit, John had been going through some aches and pains. So Sherlock was pretty tight, and using a finger with no lube, it was a bit rough. But he didn't mind a bit of pain with his pleasure, the Vampire got off on both of them.

It was tough, but Sherlock stilled his hips with a groan of frustration. He knew he was leaking onto the sheets under him, but he was a good boy for his Sir, and he didn't try to grind onto the sheets.

"MMmmmm Yes... John... p-p-lease.." Between the raw, dry finger in his arse and the idea of being fucked by a line of cocks, he was groaning and fighting as hard as he could to not start rutting again.

"A-a-nything.. sir.. anything.." He moaned.

He chuckled and then poured some lube down Sherlock's crack before he added a second finger. John moved them in and out before spreading them a bit. He poured the lube into Sherlock.

"So needy. Look at you..." he whispered, "you're going to look so gorgeous riding that dragon cock."

Sherlock hissed at the lube. It was cold and it raised goosebumps on the skin of his arse. John's fingers made pretty quick work of that, though. As he moved his two fingers in and out, his body heat, much warmer than Sherlock's own, warmed the liquid quickly. He was used to being stretched, so it wasn't painful at all when John spread his fingers wide inside of him

"Nnnng.." John was teasing him, and he loved and it and hated it at the same time. It just served to rile him up more, make him even more aroused, if that was even possible. He wanted to respond, but all that came out was a desperate, needy moan.

John slipped a third finger into Sherlock and continued stretching him.

He smiled and nipped at his lower back. "I want you to beg for the cock." He whispered.

God Sherlock was gorgeous. So needy and desperate. He loved that he got to see the vampire like this. No one else. Just him.

"Nnnng... J-j-ohn.... " Sherlock groaned and rocked against the sheets. He knew he shouldn't and it was still not even close to enough to actually get him off, but it was something.. ANYTHING.

"S-s-ir.. p-p-please.... I.. I need a c-c-cock inside of me.. PLEASE.." He moaned out and rocked his hips again, trying to get John's three fingers deeper inside of him.

"I need a cock... the dragon, you.. just something.. pleaaaase.." He begged.

John pulled his fingers out of Sherlock and then moved over to the chair. He made sure his mate was watching as he attached the dildo to it. He then took the tip in his mouth and gave a gentle suck.

He pulled off and grinned at his lover. "Then you need to come over here and ride this gorgeous cock."

Sherlock groaned at the removal of John's fingers. No matter how many times they do this, how many times John stretches him and then pulls out his fingers, and Sherlock knows something good is coming afterwards, it still makes him feel hollow and empty.

"Nnnng.." Watching John fellate the dragon dildo was much more arousing than it should have been. He knew he wasn't even open enough for John, much less the larger dragon dildo, and this was going to hurt.

A lot.

And he didn't even fucking care. He wanted it anyways, craved it like a drowning man craves air.

Eagerly, Sherlock got off the bed, his cock jutting out proudly in front of him- flushed and leaking- and walked over to the dildo. It was intimidating. He had only taken it once before and it had left him gaping and sore and walking funny for a couple of days.

But he didn't hesitate. He took some lube- no way he'd do this raw- and almost soaked the dildo in it. He was gonna need all the help he could get. While he slathered the lube on, he stroked it, with one hand, then two, acting like he was trying to jerk it off.

When the dildo was ready, Sherlock straddled the chair and looked over to John, and then started slowly, every so slowly, to move down, and let just the tip slip in.

"Ahhhh... fuuuuuuck..." Even the tip was wide, pointed but flared, and it stretched him from the very start.

John settled on the bed, shifting from human form to demon form. He grinned as he watched Sherlock.

While the idea of directly causing his mate pain still worried him... This indirect route thrilled him. Especially when he saw how much Sherlock wanted it. Loved it.

"Look at you..." he purred proudly, "You're taking it so well. You love being mounted by a beast bigger than you, don't you my love?"

Sherlock watched at John changed to his Demon form. Of course Sherlock thought both of John's forms were sexy, but he had a thing for the more bestial Demon form.

"Mmmmf.. Y-y-y-es... I... d-d-o.." And he did. Well, in theory at least. He had never been able to put that into practice. Even for Vampires, there are some things that are more taboo. And fucking or being fucked by a beast, any type, was.. frowned upon.

That didn't mean that he didn't want to do it, though- get fucked and used by something, be its playtoy, its hole to fuck into. Just the thought made him groan louder.

"AHHH....." He'd forgotten how fucking big this dragon dildo was. He was only a few inches down and already it was widening, it was wider than John, and he had a lot more to go. Tears leaked from his eyes and he bit his lip, It hurt. but it hurt so good, and he continued to press down, taking more and more of that dragon inside of him.

"You're doing so well, taking that giant cock. I'm so proud of you, my good boy." John praised. He leaned back slightly and began to stroke himself slowly. He had been rather horny lately, wanting to fuck or be fucked. Of course Sherlock had been treating him gently. Which he understood. Neither of them wanted to put the child inside him at risk. But once he healed from the birth...

He shivered as he continued to stroke himself. "Oh yes.... I'm thinking of your mouth on me, me filling your belly with my semen and piss. You drink anything I give you..."

Sherlock practically preened at those words- my good boy. But god, seeing John stroking that giant Demon cock of his, it just drove Sherlock wild. It always did. He knew he'd been handling John with kid gloves lately. But he was worried- both for his lover, and their baby that grew inside of him. Every day that it got inside was one more day that it could grow stronger.

"Mmmmmf... J-j-jooohhhhnnnn.." It was a pleading sound. Yes, yes he would drink whatever John would give him. They had played around with piss a little bit since that first time, but Sherlock never pressed, he let John dictate when he was in the mood to do that.

"Yes.... yes... aa-anything.. everything... OHHHHHH..." Sherock shut his eyes and grit his teeth as he went past a flared part of the dragon cock. It was not straight down, it had a curve, and ridges, and a swollen part, almost like the knot of a canine- not that he had ever taken one of those, but he had seen.

It was so close to too much... He had to slow for a moment and use more lube, and then, finally, he felt that dragon's knot slowly slip into him- the very widest part of the dildo was inside. But he still.. STILL wasn't quite at the base yet.

John groaned when he saw Sherlock take the dildo. The knot. Goodness he was gorgeous. He groaned as he rubbed the tip of his cock. He couldn't wait to have Sherlock use him and wring everything bit of pleasure from him. Once the baby came...

He shuddered and moved his hand down, stroking. "Good boy. Taking the beast's cock so well. Do you know why it knots?" He pressed on, not expecting an answer. "So it can breed it's bitch. I wonder what you smell like to the dragon to think you're a bitch in heat..."

"Maybe for our anniversary I'll find a real beast to fuck you pet. See you turned into nothing better than a glorified hole. Or put you in a room full of holes so men and creatures can shove their cocks through. For you to suck, to get off..."

"Nnnnngg.. Johnnnn.... " John had teased him a few times, about passing him around to other demons, to have Sherlock used as repository for whomever wanted to fuck him or come on him, and now to find an actual beast, maybe not a dragon- he'd just be food- to breed him and knot him and have its way with him.

But when John had become pregnant, all that had fallen by the wayside, and now Sherlock found himself craving it more and more, to be used and made sticky and stretched and thoroughly debauched.

"P-p-please.... J-John.... Wanna.. b-be fucked.." Yes. Yes, he wanted to fucked by a beast and feel how a real knot stretches and widens inside of him so that come stays inside while it fucks him and breeds him..

It was almost enough to send him over the edge, so he stopped, and held the base of his cock, sweating and panting and dripping a puddle on the chair and dribbling down off the chair to the floor. He was almost fully seated, but he had to stop a moment so he didn't come here and now.

He had to be a good boy for his Sir.

John got up carefully and made his way over to where Sherlock sat. "I need you to suck my cock pet. Don't worry, I'll have enough for your hole too." He promised stroking his hair.

He shivered and then continued stroking himself, putting on a show for Sherlock.

Once he was healed... He was going to give Sherlock every fantasy he wanted. Anything and everything. Beasts, maybe a hound of sorts. He'd have to buy a breeding stand.

He nodded his head, then opened his mouth eagerly for John.

"NNNNNFFFF..." And that was it... he had the dragon seated fully inside of him, ridges and curve and knot and all. He was still gripping at the base of his cock, though the pain had softened him a little bit, the desire and the need were still there. He had to sit still for a bit, and let his body try to stop throbbing from being opened like he had only one time prior.

So he watched John continue to stroke himself, while he licked his lips and opened his mouth and somehow managed to stammer "Y-y-yes, S-s-sir."

He pushed his cock between Sherlock's lips and groaned softly. His fingers curled into his hair and pulled his head down onto the enormous length.

"Fuck you're brilliant. So slutty and all mine." He groaned, eyes closing. John began to rut slowly into his mouth, being cautious of his expanded belly.

Even if Sherlock had wanted to respond, he couldn't with a mouth full of Demon cock. He had been getting better about taking more of it, but it was still simply too much for him to take all. Still, if he was positioned right so his cock would slide straight down his throat, he had been able to train his gag reflex and he could take a good bit of that monster cock inside.

If his cock had been a bit soft before, it was hard and leaking again now. He couldn't move much of the dragon dildo, he was pretty stuck on the knot, but it was enough that he could still fuck the bottom part of it while John fucked into his mouth.

He closed his eyes and made a "MMMMff.." noise. Being taken from two holes at once was something they had done, but never with something as big as a dragon dildo. It was always a much smaller dildo, smaller than John's Demon cock. So this was new

And fucking amazing.

He had no idea if he could last long like this, and with JOhn's massive cock in his mouth and down his throat, he had no warning, so he knew he had to be careful and make sure not to come too fast.

The Black Book - AU - Locked to seaweed_writes

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