The Pearled Seas - AU - Locked to seaweed_writes

[ihadabadday]

For years he had heard tales of the two fins who swan on the surface. They were... Odd. At least that was what he heard. But they still fascinated him. How did they swim? What did they eat? How did they live?

That was how he found himself on the surface, watching... He wasn't sure what it was. It was large and wooden? There were lights and white things. He curled up a bit further on the rock he had perched himself on. He was always worried the brilliant blue of his scales would make the two finners see him. But they only seemed to see what they wanted.

He gasped when the weather started to change, quickly, violently. The wooden... thing... was in shallow water, it wouldn't survive. Especially if it slammed against the rocks. He swallowed and then dove into the water, even as the waves started to grow violent, battering the wooden thing about.

He heard the wood breaking and two finners and things falling into the water.

That's when he saw him. He felt an odd pull towards the two finner. As if it was right.

There was an old tale at home, of soulmates. He had scoffed at it. Ridiculous. But, the pull he was feeling...

He swam towards the two finner, reaching out to grab the man as he was sinking deep into the water.

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[ihadabadday]

He nodded. "Yes. Please..." the mer shifted and shifted under the ministrations. Oh. It was feeling good. So good. He shifted his fin a bit, whimpering.

He wanted to mate. He wanted to be one with the man. Yes. John groaned. This was so intense.

[seaweed_writes]

The second finger slid in fairly easily, as the hole was just under the water, which mean that there was little friction. He was warm and wet and tight around his two fingers.

"Johnnn." He said, softly. "I.... " He shook his head, he had no idea what to say. He shouldn't be doing this. He knew he shouldn't. What if he didn't fit or if he hurt John?

That was the last thing he wanted to do.

"I.. have no idea if this will work.." He admitted while working his fingers slowly in and out.

[ihadabadday]

He whimpered as he felt that second finger enter him. The blonde relaxed, shivering at the sensations. Oh. Oh goodness. Yes.

"It will. It will." He nodded. He wanted it to fit, John was desperate. The urge to be mated was rising.

[seaweed_writes]

Neither of them really knew if it would, but Sherlock didn't press the point. It was obvious that no matter what, John was going to want him to do this.

There were still so many alarms going off- he hadn't even known him for 24 hours.. he was another man, and he was a fucking fishman, most of all. He has no idea what was going to happen if he did this.. Everything was screaming at him not to.

And yet, he still couldn't make himself stop.

He had been curious about being with another man since before he stepped onto his first ship at 15. Bur he figured that it would never happen. And being a sailor, there was no pressure to find a wife, so at least he didn't have to pretend to like women.

"S-s-should.. I.. umm.. try a third finger?" He asked, really having no idea what he was doing. He had to guess, and go by what John was saying and doing.

[ihadabadday]

"Please." He begged, "Please."

John was trembling and gasping. He arched his back, trying to push back. He needed. He wanted.

"Sherlock..." he gasped. The human had expressed interest in his normal accent. So he was making sure to use it more. More.

[seaweed_writes]

"Okay." He said, softly. He knew that he had to make sure that John kept that part of himself under the water, it was making his fingers slide in and out much easier.

Even with that, three fingers were very tight, and he had to go slow in order to get them inside. He wasn't even sure that he was going to be able to, but that was about as thick as his penis was, so he knew that if he could make this work, he could get inside of John.

He just had no idea how deep he could go..

He was going to find out soon.

[ihadabadday]

He felt like he was floating as those fingers moved in and out of him.

He'd never been mated like this. John had seen the results of his acquaintances matings, their chosen mate swelling with child.

John couldn't begin to figure out how to tell Sherlock he wanted that.

[seaweed_writes]

Sherlock really had no idea what to do, but he could feel that John was starting to loosen up a bit the longer that he did it.

He had no idea how long he was there, gently and slowly pistoning his fingers in and out of John, but when it felt like he wasn't going to get any looser, he pulled the three fingers out.

"Are... you.. still sure you want me to do this?" He asked. "I don't know if I will hurt you, or how deep I can go inside.. I... I.. I've never done this before." He admitted with a sigh. "I don't know what to do . I've just been guessing this whole time. "

[ihadabadday]

"Sherlock. You. Not hurt me." He begged. John could feel the desperation growing in him. He needed to have that penis inside him.

Why did no one ever tell him how desperate he could feel?

John whined and pushed back. "Please."

[seaweed_writes]

"Alright, alright." He said softly. Apparantly when John was aroused, his speech suffered a little. It was kind of adorable, but he said nothing about it.

Instead, he held his cock in his hand, stroking it a few times. This was going to be a bit awkward, because he was part in and part out of the water, but he found that if he kneeled over John, straddling his fin with either leg, sinking into the sand actually helped him get a lower angle, which helped.

"I'm going to go really slow, John. I have no idea what is going to happen." He took a deep breath and steadied his shaking hand. One hand he put on the small of John's back to steady himself. The other was on he base of his length.

He lined up against John and moved around a bit to get a feel for it. Then he pressed in and held for just a moment before he started to push in, oh so terribly slowly.

"Johhhnnnn...."

[ihadabadday]

John tended for a moment when Sherlock started to push in. But all that tension bled out of him and he relaxed.

Oh.

The blonde whimpered. Oh that felt good. So good. Especially for the first mating. People said it could hurt. But there was none of that. Just intense pleasure.

[seaweed_writes]

When Sherlock had pushed the head of his cock through the ring of muscle and inside of John, he paused. He could feel John tense, and then relax, but was still worried so he continued to wait.

"Are.. you.. okay?" He asked hesitantly? He didn't seem to be showing any pain, but he had no idea of the pain threshold of these creatures.

[ihadabadday]

"Yes." He nodded, "okay. Please..."

The blonde tried to push back, to get more of the two finner inside him.

He needed it. Oh how he needed it, was desperate for it.

[seaweed_writes]

Instead of saying anything, Sherlock just pushed forward, slowly, slowly.. He had no idea what John was like inside, if he could even get his entire penis in him.

It seemed like only moment before he felt his pubic bone gently press against the scales of John's tail.

Just like that, he was fully inside.

It had worked, he fit.

It shocked Sherlock enough that he sat there for a bit, not even believing that this was happening.

But it was.

[ihadabadday]

He was stretched so full. It felt wonderful and it eased the ache in him. The ache that called for the mating. He shuddered.

"Yes..." he moaned low, "So good. Good."

The mer wiggled and pushed back.

[seaweed_writes]

"John." He said softly. "You are perfect." He groaned at the fishman's push backwards. Sherlock started to move, very slowly at first, pulling back until only his head was still inside, and then pushing back in all the way, then doing it again.

"Nnng.... John.... so tight.." He groaned, his movements slightly awkward and not smooth, but still deep.

[ihadabadday]

It felt so good to have the two finner deep in him. Why did he never mate before this? Or let himself be mated? Plenty of people said he would make a good mate. The blonde groaned and pushed back, wanting more. Harder. More.

He shivered and clutched at the sand, not watching as it moved through his fingers. Nor did he pay attention to the waves gently rocking against them.

[seaweed_writes]

Everything else was lost to Sherlock, except this moment, John and himself, engage in the most intimate act that any person could do.

He had both of his hand now on where John's sides wold have come down to his hips, if he didn't have a gigantic, muscular tail fin under him right now. He did understand the idea that if John wanted to get away, or if he wasn't paying attention, one movement of that muscle could be quite painful to him.

But it was too late now. He was already deep inside of John, his movements getting faster and more desperate now as he chased his pleasure. He knew he was going to go off again soon.

"Mmmmf... Johnnnn." He groaned while he thrust.

[ihadabadday]

"Close..." he gasped. John was. He was close. He wanted to feel Sherlock release inside him. He shuddered and moaned.

Yes. This was. All of this was amazing. He shifted, trying to get more. More. He knew he was hard and leaking. But he didn't... He didn't... He wanted to feel Sherlock release inside him.

[seaweed_writes]

Sherlock was moving fast now, thrusting quick and awkward. He was holding on tight to where John's hips would be. Despite being partially in the water, he was sweating, panting and gasping.

"Nnng... JOhnnn... " He cried out- there was no one else to hear them, and he didn't hold it back.

"Jooooohhhnn!!!" He leaned his head back to the sky and heaven and yelled out the merman's name. He thrust hard and came, deep inside of John, trails of his seed clouding the water around them.

[ihadabadday]

John shouted and pushed back as he achieved his release. He didn't even have to touch himself.

He whimpered softly as he started to come down from it. Oh. Oh.

The mer made a noise, eyes closing for a moment. Oh. That felt wonderful. So wonderful...

[seaweed_writes]

The water around them became much more cloudy when John found his end. Sherlock could feel him tense, he watched the fishman hump into the water, he didn't even stroke himself once before that long, almost prehensile penis twitched and filled the sea with his seed.

Sherlock rode his own pleasure out until he was soft inside of John and he couldn't stay inside of him any more. He slipped out and collapsed into a sitting position in the ocean, splashing the semen-filled water on them both. He was panting and exhausted from the effort, but it had been wonderful.

"John." He said softly, but that was all he could say. It conveyed a lot in one word.

[ihadabadday]

It took John a moment to find himself. He raised his head and looked at Sherlock. A smile crossed his lips and he moved to kiss the human.

He then moved back and dove into the water to wet himself and clean himself before he surfaced and swam back over to Sherlock.

"Was... Okay?" He asked nervously.

[seaweed_writes]

The kiss was a little surprising, but not unwelcome. Not only did they still hardly know each other, but he wasn't even sure that fishmen kissed. Maybe he had seen two human doing it before? Sherlock had no idea.

The water was still a little cloudy when John splashed it around to moisten himself, but he came back quickly, as Sherlock now knew that he would.

Sherlock chuckled, he was still lightly hesitant with his speech again, and it was rather endearing.

"Yes." Sherlock said with a warm smile. "It was quite nice, for me at least. I hope it was the same for you. If.. you've never done this before, you may be a bit .. sore. later.. not sure if you know what that means.. you might hurt a little, but I really am not sure when it comes to fish.. er... merpeople I guess? I have no idea what to call your species.

[ihadabadday]

He was quiet for a moment and then leaned against Sherlock. "I be okay...." John said with a nod.

The mer then pulled away and looked at Sherlock. "I get you home. Promise." He then smiled widely at him. When John made a promise, he wouldn't break it. He wouldn't allow himself to do that.

"Food. Rest." He said poking Sherlock's chest.