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yandere-writer-momo · 7 months ago

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Yandere Head Canons:

Hypnotic Affection

Yandere Merman x Mermaid Reader x Merman

TW: manipulation, hypnotism/ drugging, tentacles, kidnapping, yandere themes, delusional behavior, etc.

Since you were young, you had been betrothed to a shark merman named Marin. Marin was a cantankerous individual and was quite rude to you since you weren’t a shark mermaid. The only reason the two of you were even betrothed was so your clans would stopped fighting… yet you knew you’d be miserable with Marin.

You often attempted to court him with various shells you’d find but he’d always rebuff you. “These shells are too small, you’ll need something better than some measly clams to have me look your way longer than a few minutes.”

His words were always as sharp as his teeth. His clawed hands would always chuck your clam shells away no matter how pretty they were, it broke your heart. You really wanted to make this marriage work… maybe he’d budge if you found a conch shell?

You bowed your head to your fiancè before you headed off back toward the sea. Marin had no idea this would be the last time he’d see you in awhile…

You swam farther and farther from home until you spotted a conch. You were on the edge of deep sea territory, so it was best to be careful or else you’d get swept up in the current… but it would be worth it if you’d gift the conch to Marin and he’d finally accept you, right?

Your eyes lit up as you slowly swam towards it but you were quickly snatched up in large tentacles, a screech left your lips when the tentacles tighter around you.

A different merman quirked their head at you as they shimmied out from their hiding spot in the coral. “A-a mermaid? I’m sorry.”

The coral colored tentacles quickly released you before ghostly pale hands began to examine your body in worry. “I just thought you were a fish… I hadn’t meant to lunge at you.”

You were surprised by how shy this merman was, his hands trembled as he shakily checked your arms to make sure there were no marks.

“I’m perfectly okay, I’m (your name). What’s your name?” The octopus merman’s cheeks went aflame when you asked him for his name.

“I-I’m Ren! I’m an octopus.” Ren’s tentacles folded into one another as if they were comforting his nerves. “I still apologize for scaring you… I’ve never seen another mermaid before.”

You smiled at Ren and offered him your hand. “It’s nice to meet you, Ren. I hadn’t meant to trespass your area… it seems I wandered a bit too far.”

“I-it’s no issue at all!” Ren beamed, his dark eyes filled with stars while his tentacles flailed in excitement. “If you want, you can stay in my burrow with me! It’s quite comfy in here.”

“That’s so sweet of you.” (Your name) beamed at Ren who ushered her inside. The merman began to become a bit jittery when she accepted so easily. He’s been wanting a mate for so long… and now she was finally here!

Ren sealed his den shut as soon as she swam in. His tentacles blocked the exit watch a large boulder. “It’s to keep predators out!” Ren reassured her as he lead her around his small home. She marveled at the various jars and vegetation he kept. “I’m a sea witch.”

“Wow! That’s really fascinating!” Ren blushed again when you didn’t mock him for being a sea witch. It made his heart flutter. You were so sweet and that made him even happier… the only issue was that you were a different species than him…

“How about I show you a few tricks?” Ren was so happy when you accepted. The octopus merman showed you a very simple spell that made his home brighter. He was thrilled when you clapped your hands and smiled. Ren was so happy to no longer be alone… and he would never let you go.

Ren offered you a meal and you happily ate with him. The vegetation made your brain a bit foggy, but the taste was delightful. Had Ren always been so attractive?

Ren smiled at your sleepy form as you yawned. “Here, how about you spend the night? It’ll be so much safer for you that way.”

You nodded and allowed him to lead you into his den. His tentacles pulled you into an embrace as he smiled. This was just too easy…

You didn’t know how much time had passed since you entered Ren’s burrow since Ren would often feed you every time you tried to leave. Ren made you such lovely meals that you slowly began to forget what even brought you to this end of the sea. You really liked Ren, so why did you have to leave again? You felt as if there was some strange phenomenon happening around you and yet you didn’t care anymore… you liked being with Ren!

Meanwhile, Marin was in shambles. You had been missing for a week now. You always showed up every other day with your stupid smile as you held up some shells you found to him… you were never away from him for long. Marin searched your home in the anemones and he searched all the reefs around yet you were nowhere to be found… were you okay? You didn’t try to go find a bigger shell for him, did you?

You didn’t know it, but Marin always gathered up all the shells he’d throw. He just wanted to look tough in front of you… but now he knew it was a mistake. You wouldn’t risk your life for a shell when you were already engaged to him, right? You were already enough… you were always enough.

A month had went by and you were still missing. Marin now took more desperate measures of swimming out farther and farther… until he spotted a conch. The shark merman rushed towards the shell and began to examine the ocean floor until he spotted a sealed off den. The merman quickly swam toward the rock and searched for a crack until he could peek in there. The sight before him horrified him.

Ren’s purple appendages slid up and down your delicate tail as his hands grasped at your hips. “Would you like to be my mate, (your name)?” Your head felt so dizzy and you could only nuzzle into him. Ren smiled down at your obedient form. What a perfect mate you’d be! It was just so easy to ensnare you and to hypnotize you with his potions… it was all so easy-

Ren was shocked when the boulder to the den was shoved open and a shark merman lunged at him. Ren screamed when one of his appendages were bitten off by the shark. Marin’s large gray form quickly scooped you up and made a swim for it. Ren tried to snatch you back, but Marin easily evaded the tentacles. Ren began to scream as he tried to give chase, but the blood gushing from his missing arm would attract more sharks… he’d have to come back for you another day…

Marin didn’t look back once until the two of you were an hour away. The shark set you down on a rock as he began to examine your body for any wounds. “You’re okay now… we’re going home.”

You tilt your head to the side in confusion at Marin’s words. Who was this merman and why did he seem so familiar? “But I was home? I live with Ren.”

Marin felt a sob rack through him before he bent down and pulled you into a hug. What had that octopus done to you? Marin would protect you this time, he’d help you get back to normal. “You’re safe now… you’re safe.”

You often sat in a trance in Marin’s den. It was as if you were in a whole other world despite being next to him, a world where Marin could no longer reach you.

“Look! I have all the shells you gave me on the walls.” Marin gestured to the various colorful clamshells with a smile. “I’m sorry I was mean before, but that didn’t mean I didn’t like you! I really do care for you, I swear.”

Marin was filled with hope each day when you’d glance at the shells but his hopes would always be dashed when you’d tilt your head off to the side. “Do I know you?”

“I’m Marin... I’m your fiance.” Marin was so frustrated that you couldn’t remember him. He had tried everything… from taking you to every spot you two grew up together to your old den, yet nothing clicked. You only ever wanted to ask about that damned octopus merman.

Marin often cuddled beside you when it was time to sleep. His muscular arms felt so strange around you compared to Ren’s slender ones. You really missed Ren…

“Psst, (your name).” You perked up when you heard Ren’s voice. You gave him a big smile before you slinked out of Marin’s arms. “Let’s go home.”

You quickly swam towards the octopus merman who scooped you into a tight hug. A big smile on his face when you accepted him. He almost felt bad for Marin if it wasn’t for the fact that the shark merman was the entire reason the two of you met! What a sucker…

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meowmeowriley · 9 months ago

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@sergeantwoods Sorry for the long wait, but here's the mer!AU

Think I'll call it Fish Out of the Sea

Ghost x Soap, blacktip reef shark mer!Soap, human Ghost, fluff, getting together (kinda)

Ficlet after the cut 😘

"No."

John sighed, he didn't seem surprised by Shepherd's hard rejection, but he kept trying. Simon had to give props to the fishing boat Captain. "You have the best mer rehabilitation facility in the country. It'd be a shame not to use it."

"You said you had a mermaid. That's not a fucking mermaid, John."

"I said I had an injured mer." He repeated himself from their earlier conversation.

"I'm not taking that thing into my facility."

"He needs help-"

"He's hideous, and aggressive." Shepherd barked. "That thing keeps lashing out, it'll scare patrons, attack my staff, and if that *thing* touches my mermaids, tries to mate with them, I'll have it put down."

"Mers are actually matriarchal, sir." The mer expert, Kyle, finally spoke up. "I've never worked with a shark mer before, but I do know he won't mess with Kate or Rosa, because they won't want him. Since they're together."

"Kyle. For the last time, the mermaids aren't lesbians. They're just fish." Shepherd was one of those who thought of mers as lesser than humans. Obviously.

Simon was standing near the door. No one had noticed him sneak in, but when he'd overheard that the mer was a shark variant, he'd needed to see it. Now, seeing the poor thing huddled in the corner of it's transport tank, curled in on itself, he felt so bad for it. He watched, any time someone went near it it flared out it's dorsal and pectoral fins. It would gnash it's teeth and charge the glass. All signs of aggression in a shark but... as soon as it finished its display it was right back to the furthest corner from the humans. It kept peeking at them over it's own shoulder when it thought they weren't looking. He quietly crept closer.

He took in it's markings, gray on it's back, white on its belly, black tips to it's fins. Claspers on its pelvic fins. A male blacktip reef shark then. His inferior end was all shark, something Simon was very familiar with, as he took care of all of the sharks here at the aquarium, several of them blacktips. His superior end, or top half, he supposed a visitor would (incorrectly) consider it, was new and interesting to him. Though he was vaguely humanoid, his skin was all two tones white and gray, like his tail. He had a wedge shaped snout in place of a human nose, a wider mouth with jagged teeth. Slitted eyes, and a black tipped fin atop his head that reminded Simon of a mohawk. Webbed gray and white hands with black claws rubbed up and down it's own arms in a self soothing gesture. One forearm had an odd angle to it, probably the injury that landed him here.

He retreated from the tank quietly before speaking, interrupting the squabbling of the other men. "He looks like a reef shark to me." Everyone else jumped. "Blacktip reef sharks aren't aggressive. Sure they can get a little iffy during feeding, but they're more curious than anything."

"He's been charging the glass, Ghost." Simon managed to suppress his eye roll at Shepherd's nickname for him. They all called him that here. "Fuck you mean 'not aggressive', you don't know mers."

"No, but I know sharks. He's injured, and defensive. You ever think he doesn't like us because it was something shaped like us that broke his arm?" John winced, he obviously felt bad about it. Not like he could've know he'd caught the mer in his net, but it was nice to see some accountability from a fisherman for once.

"Well we can't communicate with him, so he'll stay scared and defensive." If Simon didn't love the sharks, he would've left this place a long time ago because Shepherd was an absolutely abrasive cunt.

"Kate and Rosa can. And their English is excellent." Kyle spoke up again. "We have them pass on the message of our intentions, and Ghost and I tag team his rehabilitation." Of course he uses the dumb nickname too. "It's the perfect plan! And an incredible opportunity to be one of two aquariums to actually work with a shark mer. The novelty of something so rare will bring in patrons." Kyle was really leaning into Shepherd's true interests here, bringing up money.

Shepherd was quiet for a moment and then, "If anything happens, you're both fired." He then stormed out of the room.

"Thanks, Gaz."

"Of course, Cap."

Now the three of them had to get the shark mer into an appropriate tank.

***

They had initially tried to put him in with the other mers, but he'd seen the sharks in the tank across the hall and told Kate he wanted to be with his own kind. That would make Simon's job easier, anyway. Kate had explained that they needed to put a cast on his arm, and Rosa had wrestled it onto him, since the humans couldn't get too close. They decided to name him John, after Captain Price, calling him Johnny affectionately. Gaz explained to Ghost that part of rehabbing Johnny would be gaining his trust, teach him to communicate. To release him without a way to communicate could lead to him attacking humans and being a problem down the road.

Simon had a plan: ignore him. He was a reef shark, his own curiosity would get him to open up. It took a week.

Simon would feed his sharks from a catwalk above their tank, for safety reasons, dropping their food in in the mornings before they opened their doors. No need to scare any children. For the first week, any time he passed by, Johnny would posture aggressively and gnash his teeth, before snatching up his food and swimming off. When Ghost would gear up and go in the water for his evening shows, Johnny stayed far away. At night, Gaz and his mers would move over and Ghost would mostly just observe as the girls tried to teach Johnny how to speak, and he petulantly ignored them, with a little pout on his face as he refused to even make eye contact with them. It was cute.

The first time he tried to speak was also the first time Simon saw him raise his head above the surface. He seemed frantic. "HAAAH!" He startled a bit at what was most likely the first time he ever used his lungs to breath air. "HAAAAH! AH! YAAH!" he was waving with his good arm. Stretching it out towards the platform between his tank and that of the other mers, thrashing his tail with his fins tucked in. Very distressed. Simon went to check, to see what could possibly be bothering him so much, when he found their elusive fourth mer. Simon had only seen Gary once. Gaz called him Roach, because he hid in the tiniest cracks in the reef in their enclosure, why on earth the isopod mer was on the platform, and not in the water, was beyond him, but he couldn't let the poor thing suffer. He had several of his little legs caught in a grate. Simon spent some time disentangle him. He tossed the infant sized mer into the nearest tank, which happened to be the shark tank, with Johnny. The larger mer immediately dove to catch him. He stroked Roach's antennae back like one would the hair of a small child, a soothing motion. Clearly not as much of a loner as he pretended to be. From then on the little isopod mer could be found clinging to Johnny's sides or fins with his many little periopods more often than not. After that, it seemed that Gary encouraged Johnny's more curious side. The mer's language was mostly outside of the human range of hearing, but Simon occasionally caught clicks, whistles or hums shared between the two.

Simon had left a bucket with soap close to the edge once, the two mers were clearly curious about it, but he didn't think anything would come of it. Which is why it was such a surprise when Johnny stuck a webbed hand in and scooped some out, popping it immediately into his mouth. Simon knew it wasn't enough to harm him, which is why he couldn't help but laugh at the poor creatures misfortune as it sputtered and writhed, making bubbles. While laughing he let his guard down, and was surprised when something struck him, knocking him off the catwalk and into the tank. He opened his eyes and looked around, seeing only Roach, floating downward, listing side to side, tiny head in his tiny hands. He surfaced to see Johnny. "Did you just throw him at me?!" Johnny sunk down so only his eyes and cranial fin were above the water. The little shit. "Not cool, Soap!" He forced his palm out towards the mer, sending a spray of water its way. That seemed to really break down the mer's walls.

Johnny started approaching while Simon would try and clean the tank. At first, darting away if Simon caught sight of him. Eventually however, he would get closer and simply observe. He'd watch Simon work at cleaning the glass or vacuuming the sand at the bottom. It was fun to see shark behavior and mer behavior collide. If Simon sat something down, Johnny would pick it up, and without a doubt if he could get it in his hands, it would end up in his mouth.

There was a small crowd, a child's birthday party had been held over by Gaz's mer tank, the girls were always a hit with the kids, and the little show they put on with Gaz was actually pretty funny. They'd harass him as he pretended to try and do his chores. Slapstick comedy was good for all ages.

Simon had his own show with his sharks, but it wasn't for a few more hours. He was actually just trying to clean. Apparently his cleaning sponge had caught Johnny's attention, as the mer had swam up and was watching him intently. He kept inching forward, eventually crowding Simon against the glass while reaching for his sponge. "Oi!" He said into his respirator, not that anyone could hear him. He shoved Johnny away and kept trying to cleaning, but the persistent bastard just kept coming back. He could vaguely see the crowd observing them through the glass. They were probably laughing. When he'd had enough, he got an idea. He turned when Johnny got close again and placed one hand on his dorsal fin and the other on the underside of his snout. He began to rub at the sensitive underside of the mer's snout, and just like his sharks, the mer entered a state of tonic immobility. He repositioned Johnny, nose down tail to the surface, Johnny's arms hung limply down past his head. Simon quickly withdrew his hands and watched as the mer continued to float for a bit, before blinking vigorously. He shook his head before righting himself, and slapped his tail into Simon's chest as he practically fled to his little cave at the other end of the tank. When he surfaced later, Gaz informed him that the kids were raving about how cool the 'shark guys' were.

Simon had to admit that Johnny was growing on him. He looked forward to seeing him each day. Johnny began trying to get Simon to swim with him. He'd grab Simon's arms and try to pull him into the water when he was on land, or he'd push Simon away from the glass and his cleaning supplies, towards the open water. Sometimes Simon would indulge him, and the two of them would make laps around the tank.

Simon realized, when Johnny began posturing towards the sharks and getting territorial about him towards them, that Johnny was attempting to court him. Worse, he couldn't bring himself to try and put an end to the behavior either. Johnny was getting touchy, he'd run his hands along Simon's sides or chest, in much the same way Simon would to per his sharks, but it felt different. He would push Simon until he floated horizontally in the water, then drape himself across the man.

Simon knew he was getting himself into some deep shit, but he couldn't help the small voice in the back of his head that urged him to reach out, to cradle the mer's rubbery cheeks in his hands. He wanted to kiss him. He was fucked.

***

I hope you liked it! Ngl, I really liked this one. If you don't mind, I might expand on this and make it a multi-chapter fic over on AO3? I wanna explore more of society's reaction to mers, specifically interspersed relationships and where this could go. Let me know what you think, and thanks for the idea!

#ive had this one on the brain for a hot minute #ghostsoap #soapghost #ghoap #cod mw2 #fanfic #call of duty #text post #call of duty modern warfare 2 #modern warfare #mermaid au #mer!au #john soap mactavish #simon ghost riley #mer!john soap mactavish #shark mermaid

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