Riptide [Bakugou x Reader Mer...

By _E1d0lonK3k_

195K 6.1K 3.2K

(Y/N) (L/N) is new to the Underwater Alliance, or UA for short. It's a research center specializing in the ca... More

ONE
TWO
THREE
FIVE
SIX
SEVEN
EIGHT
NINE
TEN
ELEVEN
TWELVE
THIRTEEN
FOURTEEN
FIFTEEN
SIXTEEN
SEVENTEEN
EIGHTEEN
NINETEEN
TWENTY
TWENTY-ONE
TWENTY-TWO
TWENTY THREE
TWENTY-FOUR
TWENTY-FIVE [End]

FOUR

9.3K 342 664
By _E1d0lonK3k_

_________________________________________________

"Holy shit, (Y/N), it's huge!"

     Those were the fucking words Mina had greeted them with as the platform finally lurched to a halt. Now back in the open air of UA's diving station, the mermaid in (Y/N)'s arms was somehow even heavier. If it wasn't for Mina appearing into her field of vision with a large trolley net she would have toppled straight over onto the floor, face first.

     She had never considered herself to be pretty fit, and had never been dumbass gym junkie or some shit, but she had spent some of her day's off working up a sweat in the employee gym. But in the better lighting of UA, it was very clear as to actually how much bigger this mermaid was. And he was heavy, there was no sugar coating that and her legs was quivering under the strain.

     All mer were fairly muscular, fine-tuned from lives in the ocean. Some were bigger than others, bulkier, packing out their lean, swimmers' bodies with training or labor. This Alpha was broader shouldered with a chest that even put Mina's fake one to shame, and he had a much slimmer waist, tapering down in a gradient of scales to be the perfect size to fit nicely between—

Let's finish that train of thought there, please-

     (Y/N) shook herself once she had keeled over into the net. The net was almost like a shallow, fold up bag that was a mermaid's equivalent of a stretcher. It made moving mer around that much easier as their tails wouldn't hang in the way of the wheels and they wouldn't roll off anywhere. She went to pull herself up, but one of her arms was trapped under the mermaid. She tried to pull it free, but a large, surprisingly soft hand on her small elbow made her stop.

     She looked up, annoyed at first, then suddenly becoming breathless when her (E/C) hues met a the fiery red pair before her. Suddenly feeling a little panicked under that gaze, (Y/N) tried to sit up again, but the large hand moved from her elbow to the front of her wetsuit, grabbing at the fabric and pulling her down harshly against the blonde's chest. The action caused her head to rattle around in her helmet, a slight wave a pain going through her brain as she hit a particularly sore spot, but speaking of helmet, the mermaid was banging on the damn thing again.

And hard. With a closed, punching fist.

"Can someone—Ah!" (Y/N) couldn't even get her words out around the mermaid trying to split her damn head open like a coconut, but he didn't have to as someone else's hands were on either side of (Y/N)'s helmet.

     At their touch, the mermaid began to growl, quickly lashing out at whoever was behind her head. But the hands quickly retreated, taking her helmet with it, and the mermaid instantly stopped their snapping teeth. Those red eyes were back on her again, and without her helmet, she could see the blonde even clearer.

     He was just as beautiful as before, and (Y/N) nearly forgot how to breathe. She was immediately captivated by those crimson eyes, the gaze so sharp and cold it was as if they were lined with ice. She was drawn into them, past the hostile edges and towards the warm pools in the center. Those eyes told her nothing, and endless lava pool of mystery, and she felt like she was basking under a heated lamp before them.

     He was breath-taking.

     Until he sneered hideously, flashing some unusually dark pink gum, and banging her on the head all over again.

"OW, WHAT THE FUCK?! Chill! Ouch!" She tried to forcefully pull herself up, but the mermaid grabbed her by her front again and pulled her back down with an 'oof!'. She growled and repeatedly hit the blonde's chest.

"I think he wants you to stay there," Shinso's cool voice wafted through the air, his tone teasing and it made the (H/C) girl want to slap him.

     She really wasn't sure what the mermaid wanted. There were a lot of mixed signals being thrown around with the punching and the grabbing. She made an attempt to sit up again but was pulled back over by the trolley jerking into motion. She was plastered over the mermaid's front, legs awkwardly straddling his large, black tail as the fanning, orange fin the black scales faded into flapped over the edge of the net warningly, flicking like a cat's angry tail.

     She tried to angle her head so she wasn't smothered face down between the Alpha's warm pecs, but every time she tried to move, she was either grabbed or prodded by an angry mermaid finger. But damn did he have nicer tits than she did-

     Every so often the mermaid would growl. (Y/N) wasn't exactly sure what he was growling at, or if he was just making noises to remind them all that he was there and something to be scared of. Not that any of them could easily forget that. But every time the noise erupted it vibrated against her face and radiated down her entire body.

     She really couldn't say it was unpleasant.

     Mina and Shinso were either side of her, whispering quietly so she couldn't hear them. It was rude, actually, but she kept catching snippets of hushed nonsense.

"Where are we going?" she tried to sit up again, but a large pair of hands spreading across her back pulled her back down with another growl. She managed to tilt her head up this time before she fell, right cheek squished against a hard chest and she glared warningly up at the mermaid, trying as hard as she could to be mindful of the claw marks that grazed the blonde's chest. But the blonde scowled right back down at her, ashen brows knitted together and teeth flashing between full, pale lips.

"The infirmary," Shinso replied coolly, "We will have a quick look at his chest and that tail of his to make sure the cuts aren't so bad, but he seems to have perked up a little now you're there."

     Perked up he had, and (Y/N) was currently wrestling with him in the net, causing it to jerk about.

"Ah!" The mermaid had shimmied them, and against their wet bodies she was slippery and at a disadvantage enough for the creature to have the upper hand. In one, swift motion the blonde had rolled them, slipping her underneath him in the net.

     Her legs were akimbo in the air, sticking up out the top of the net, and the mermaid was plastered over her, crushing her and suddenly grinning down at her with a murderous smile.

"Guys?" She squeaked for help, pushing herself down further into the net to get away from the advancing mermaid.

"Don't worry about it," Shinso commented lazily, "He won't hurt you."

     Of course he would say that. He didn't have a scary mermaid face pressing down on him.

     (Y/N) raised her hand and pressed her palm harshly into the face of the mermaid, cutting the sinister grin off and pushing his head to the side. The wrestling then continued all the way up into the infirmary, only momentarily stopping once they got in the elevator.

     When the machine jerked into motion and the pressure around them changed, the mermaid immediately stopped snapping his teeth at (Y/N) and sat up, eyes suddenly wide with pretty red hues pinpoint. (Y/N) watched the mermaid's profile for a moment, noticing how his large, pointed ears twitched a little as they began to rise.

     She gladly took this opportunity to scramble onto her knees. She tried to hoist herself out the net, but the mermaid grabbed her around the waist before she was able to swing her leg over the side and she was pulled back down against a hard chest.

     It was obvious once they got to the infirmary that none of them had considered how exactly they were going to get this explosive mermaid out of the net and onto one of the examining tables. The Alpha was bitey, a bit punchy and a lot attitudey. Every time one of Hitoshi's or Mina's fingers got too close to him while they were steering the trolley, he would snap at them and try and grab them, all while holding (Y/N) bone-crushingly tightly.

"Right," Mina stepped back once they had scooted the trolley up flush against one of the metal slab tables, "How are we gonna do this?"

     Shinso paused for a moment in thought, "(L/N), you're going to have to coax him out. Lead him over the table, when he reaches for you, we will grab him and strap him down."

     In unison, both Mina and (Y/N) cried out a disbelieving, "What?!"

"I'm not touching that," By that Mina meant the Alpha mermaid slowly wrapping its tail around (Y/N) tightly like some sort of snake getting ready to devour its prey, "He will snap me in half!"

"I don't think it's you he wants to snap in half."

     That comment got (Y/N)'s head whipping around, "Excuse me?!"

     Shinso's expression was bored, and he let out a yawn to reiterate it.

"Do you want to help this mermaid or not? It'll be 10 minutes, and they will take him down to the pool nursery where Shoto and Izuku are."

     Upon hearing the word 'Izuku', (Y/N) smiled slightly remembering her happy green mermaid friend, but the blond Alpha immediately stopped pulling at (Y/N)'s wetsuit and sat up abruptly, ears twitching furiously.

     A noise came out his mouth, so low and gravelly it sent (Y/N)'s head spinning as the sound vibrated through her chest.

"Deku..."

"Ah, look," Shinso bobbed his head approvingly, "See? Looks like your mermaid knows them."

"My mermaid?"

     (Y/N) wasn't blessed with a response, because with speed she hadn't known Shinso to possess the purple-haired man shot his arm out and wrapped his long, slim fingers around (Y/N)'s forearm and practically threw her over the edge of the trolley so she smacked face down onto the examining table.

"Ow, what the fuck Hitoshi that—Waah?!"

     She was bent over the table, legs still dangling in the net and chest pressed flush against the cold metal. She was about to scramble across it, but the mermaid heaved out the trolley and dropped himself heavily over the top of her, caging her with a pair of thick arms. The mermaid then growled lowly in her ear, snapping his teeth at the lobe. Slowly, he snaked his hands up to where her hands were laid either side of her head and placed his own over the top of them completely dwarfing them in size.

     It would have been sweet, the way the Alpha laced his fingers through her own almost affectionately and for a moment, she thought the blond was nuzzling into her hair. But then the mermaid suddenly thrust his lower half against her backside, and the she started screaming.

"Getitoffgetitoffgetitoffgetitoff!"

     It definitely wasn't tube coral this time.

     Violation. That's what it was. And part of her knew the mermaid didn't understand what he was doing. She knew the mermaid was just acting on instinct, whatever those were. And now her friends were betraying her by being very unhelpful while she was humped from behind by a large, scary mermaid. She immediately kicked out with newfound strength, and obviously, the mermaid was a little preoccupied with trying to work out why nothing was happening, giving the (H/C) girl the perfect chance to escape.

     In one, hard yank (Y/N) managed to slither out from under the blond and she promptly fell straight off the other side of the table. The mermaid made a move to grab her, but Shinso and Mina were already flipping him over and securing him with fabric straps across the bed. From the floor, (Y/N) could hear the snapping of the Alpha's teeth and loud, warning snarls which much to her surprise, made something in her chest heave and pull tightly. It wasn't nice witnessing something so beautiful be so evidentially distressed.

     Even if that thing had just tried to mount her.

"Ding dong!" Mina stepped back from her handiwork and gaped at the Alpha before her. It continued to thrash almost hysterically around on the bed, making the metal jump and creak under the strain. He was frantically pulling at the restraints, eyes searching the room wildly, specifically in the direction (Y/N) had just tumbled off to. Suddenly, he let out a pitiful cry, making (Y/N) pop up from the floor in a heartbeat. Almost by accident her eyes immediately landed on what Mina was wolf-whistling about. She couldn't avoid it, it was right there staring her in the eye.

"Jesus fucking Christ! What are you?! A damn horse?!" She exclaimed, flushing red.

     The mermaid stopped his protesting when he realized she was back, and he started grinning wickedly when he noticed she was staring, open-mouthed, at his crotch. Almost immediately he started growling again, but not in a 'go away!', kind of way, this was a more 'come here'. The mer then jerked his hips up suggestively towards the (H/C) girl who cheeks literally burned.

     She slapped her hands over her cheeks, covering her eyes with her fingertips, but thankfully Shinso saved her from spontaneous combustion and promptly threw a medical blanket over the mermaids exposed manhood.

"Get a grip," He muttered, turning away to gather some more supplies. (Y/N) wasn't sure if the doctor was talking to her, Mina, or the mermaid. Or all the above.

"This won't take a minute," He returned a few moments later, arms filled with metal tools and gorse.

     The Alpha was surprisingly still while the doctor worked on his tail. The wound that ran at least two feet up the side of the mer's large fin was clean and although deep, didn't seem to be causing any major problems. Shinso soon moved up to the mermaid's chest carful to keep away from the sharp teeth that snapped at him whenever he got to close to the blonde's face.

     (Y/N) tried to concentrate on what Shinso was doing, watching the doctor's expert hands work over the shimmering charcoal scales. The average mermaid was longer than the average human thanks to their feathering, fanning tails, but this mermaid must have been at least 13 feet in length if you included the expanse of fin lining the sides. The main limb of his tail was jet black, glistening with silver and gold flecks that seemed to run all over the body and skin of the creature. The shape of the limb reminded her of a half-moon beta with a highly ornate, fanning caudal fin of striking orange lacing all along the edges and wrapping across the tapered end of the tail, like one huge frill spanning 180 degrees around.

     The thin, wispy, silk-like fins must have been four or five feet in length, or even more towards the end of the tail. She had never seen anything quite so majestic and on land it was beautiful, but in the water, it must be breath-taking. Although (Y/N) was more than content with ogling at this beautiful creature's tail, she was acutely aware of the tented medical blanket still laying across its hips, and the intense red gaze of the mermaid being fixated on her. It was somewhat tarnishing the splendor of the moment, but she had a feeling this mermaid was more than a little uncouth.

"All done," Shinso breathed, straightening up and rolling his shoulders. He threw a few of the tools he had been using into a nearby dish, "I won't bother bandaging him up, something tells me he will only rip it off. Besides, he will heal quicker with you around, anyway. Just don't leave him on his own for too long, okay? He's punchy enough as it is and we don't want him attacking the other residents."

     For some reason, she surprisingly found that to be a lot of information to process all at once. It took her a few moments but in the end, all she came up with a:

"Hah?"

     She abruptly jumped and cursed loudly when the mermaid strapped to the table made a sudden violent lurch towards her, pushing his top half off the metal as best he could with his wrists still tied. The sinister smile was back, and he snapped his teeth towards (Y/N).

"Oh, look, he wants to play."

     She growled quietly narrowing her eyes at the snapping blonde, "I don't think I really want to play with this ass-wipe."

    Her annoyed tone only seemed to rile the mermaid up more and he jerked again, making Mina yelp and clutch onto (Y/N) tightly.

     Shinso rolled his eyes, "We can take him down to the nursery pool now, see how he gets on with Izuku now. He might find comfort in having one of his own kind there," He then paused, eyes lingering on the explosive creature, "Or not..."

"Then what do we do with him? Just leave him there?" (Y/N) asked placing her hand on her hip and attempting to flick the snapping blonde on the forehead.

"We will leave him there," Mina interjected with a laugh, gesturing to herself and Shinso as the doctor readied the net back up. It had rolled itself away along the tiled floor with the chaos of getting the mer on the table. "You will stay there."

"Excuse me?!"

"Give him some food, give him some pets, you know, the usual mermaid stuff," Mina rolled her wrist.

"That's what we do for Omega's," she snapped angrily, "This is an Alpha?! Shouldn't we tell Aizawa about this, like isn't this dangerous? Do we have insurance for this type of thing?! Sure we have Kek but they get their own food and shit, you know!"

"What else can we do?" Shinso asked.

"Oh, geez, I don't know... Erm, maybe release him back into the ocean, because, y'know, that's his fucking home!"

     As soon as the words left her lips she regretted saying them, and she almost found herself biting her own tongue to stop herself from going any further. She didn't want that.

"And, what? Have him smash through the research centers pipes to get to you? That would be more dangerous."

"Yeah, it's far safer to just let him smash your pipes instead." Mina cackled and Shinso snorted.

     (Y/N) glared at the two incredulously, raising her hands into fists and she pounded them on both the two's heads, "What the fuck did you say to me!?"

"You're this mermaid's mate, (Y/N), isn't that obvious?" Shinso, after finally catching her wrist, replied so matter-of-factly she almost just found herself nodding automatically in response, but then she stopped himself.

"He thinks I'm his mate? How is that obvious? This is an Alpha, holy shit!"

"He doesn't think it, he knows it. Just the same as Omega's. And Kek earlier today." Shinso was already working on the straps around the mer's tail and Mina came up to start on one of the ones at his wrist.

     (Y/N)'s eyes rolled into the back of her head, "This isn't real," She wailed with a fake laugh. Although, the mermaid believing she was his mate would explain its behavior. When two mermaid mates met, they mated instantly, so in this mermaids mind, she was the one being rude and unreasonable, not the other way around. He was just reacting in the way he was biologically programmed to. It was almost laughable. Almost. And in any case she was supposed to be the damn expert at this, but now she's completely dumbfounded by the fact that this Alpha thinks she's its mate.

"This is pretty amazing, actually; both you and Kek getting your mates on the same day. And I don't think this has honestly ever even happened before." Mina continued, quickly jumping back when the restraint was loose enough for the mermaid to free the rest on his own. Immediately he pulled his hand free and made a lunge towards (Y/N), fingers reaching for her, but with his other hand was still tied up he wasn't able to get far. Instead, the mer's arm jerked harshly, and she winced at the strain that would be putting on his shoulders.

"It's never been recorded, no. And to happen twice in one day is just strange." Shinso clarified, stepping back from the now wildly flapping tail. He turned to (Y/N), "Now, get in the net."

     She snorted and waved her hands up in defense, "Absolutely the fuck not. No, thank you."

"You either get in the net or we untie this last wrist and he flings himself at you," Mina pointed at (Y/N) accusingly, although she wasn't quite sure what she was being accused of, "And then you're on your own, babe. We won't help you take him down to the pools. So, either get in the net and let us help you, or it's all on you and I promise you, as soon as we untie his wrist he will try and stick his willy up your pussy again."

     (Y/N) hesitated for a minute, shuffling on her feet. Her eyes flew between her colleagues and then to the net, and then finally to the now still mermaid. The blond was sitting upright but twisted to lean on his palms facing her. His intense eyes made her prickle with sweat, but she was thankful to see his dick was now away again.

     She really didn't want that near her again.

     Slowly, she made her way to the net and awkwardly clambered into it, the whole time keeping her gaze locked onto the mermaid. The creature didn't make another vicious lunge for her, despite now being within arm's reach and instead he watched patiently as (Y/N) sat up in the net to release the last restraint around the mer's wrist.

     As soon as the tie came free, the creature rolled into the net, completely flattening (Y/N).

"And off we go!" Mina's voice was accompanied by the net jerking into motion. Not that (Y/N) could see anything other than the ceiling rolling past above her. She was pressed into the bottom of the net by the hefty mermaid, whose head was resting heavily in the crook of her neck, completely still.

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