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“Siren and Kappa, I assume you’d like a room to yourselves?” Galoo said and Kappa couldn’t agree quick enough. It was only as they peeled off from the group, drifting down into their pod that her words really dawned on him.
I assume, she’d said, as though it was a given that they’d want to room together. Kappa didn’t think they were exactly subtle about their relationship, but they’d only been in the sanctuary of the whales for a few hours, and it was a bold statement to make.
Then he remembered that Galoo had looked into Siren’s memories and among those of his life would’ve been those of his relationship with Kappa. The realisation that she had glanced over so many of their private moments left a slightly sour taste in his mouth.
Not that many of their moments had really been private. Sometimes it felt like their alone time was just squeezed in between crises and while Kappa was forever glad for the company of all his friends, a part of him missed the gentle quietness that had filled the hours Siren and he had spent talking when they’d first met.
He wondered absently if Galoo had seen that too.
Kappa shook the thought away – he was grateful to her really, allowing them to stay in the sanctuary, offering them access to the archives, and, as he watched Siren swim ahead, brushing his hand against the soft grass that lined the room’s floor, he was grateful to her for this too. Siren was stunning in the evening light, the blues of his fins strikingly soft in the kelp forest, his cerulean eyes warmed and bright.
Kappa’s heartbeat quickened a little. He knew he shouldn’t pry but he couldn’t help wondering what exactly she’d seen in his boyfriend’s memories that had made her so sure this was what they wanted. The thought was too intriguing not to investigate.
Kappa saddled up beside Siren, pressing their lips together gently.
“You know,” He drawled suggestively, “I think this is the first time we’ve actually been properly alone together...”
“I-is that so?” Siren said, cheeks burning as their tails brushed lightly together.
“Well, as long as we’re not counting times when one of us was either injured or imprisoned.” He chuckled, stripping away his cape and enjoying the way Siren’s not-so-subtle gaze followed his movements.
“Y-yeah.”
The sight brought a smile to Kappa’s face. That eager innocence was so like Siren, so gentle and unassuming, no matter how many times Kappa kissed him or teased him. He swam a little closer, letting his silky tail-fin glide over the tip of Siren’s sturdier one and choosing to offer some mercy to his rosy boyfriend.
“Relax.” Kappa smiled, “There’s no pressure. Just because we’re alone, doesn’t mean we have to do anything you don’t want to.”
“That’s definitely not the problem…” Siren’s hands swept gently across Kappa’s sides, trailing upwards along the line of his torso where scales met skin. There he was softer, more sensitive, and Kappa didn’t bother suppressing the hum that rose up through him at Siren’s touch. “I’m a shark though,” He explained, eyes flitting with embarrassment and ears still glowing pink, “and sometimes our instincts… they can get a bit intense. I don’t want to be rough with you…”
The thought of Siren’s ghosting touch turning to something fiercer sent heat pooling in the pit of Kappa’s belly. Ever since their reunion, he’d been watching the way Siren’s muscles played across his form when he swam, how they flexed along his shoulders and back. Thinking about what it might feel like to be pinned under his boyfriend’s strong arms.
He swallowed hard, pressing a kiss against Siren’s cheek before dropping their foreheads together.
“I trust you, Siren.” He whispered, “Besides, I don’t think I’d mind letting you be a little rough with me...”
Siren’s eyes darkened at his words, locked on him with electric intensity and Kappa knew then that they were on exactly the same page. He closed the gap between them, the first small kiss quickly devoured by a flurry of deeper kisses that made his head spin. Sirens arms wrapped around him, and he sunk eagerly into the embrace – pushing their bodies flush and letting their tails twine as they sank to the grassy floor.
Siren’s lips were ecstasy as they worked against his – soft and full and eager with all the passion that they’d kept bottled up throughout their journey. It was now that the fierce desire that had smouldered between them in every lingering touch ignited, and Kappa gladly let it engulf him. He felt a hot sweep against his lower lip and fervently opened his mouth, welcoming the softness of Siren’s tongue against his own as he delved deeper, slipping past it into his boyfriend's mouth.
Suddenly Siren broke the kiss, worried eyes searching Kappa’s face, and it was then that he noticed the faint metallic taste of blood on the tip of his tongue.
“Sorry, my teeth… I didn’t mean to- Haaaah…” Siren moaned, cut off when Kappa bit lightly on the pointed shell of his ear, pulling it between his lips.
“You’re not the only one with teeth you know.” He giggled and it was enough to break through whatever concern had interrupted them and bring their lips crashing back together.
His hands drifted back to Siren’s chest, quickly working to shed his clothes before he let them roam over the expanse of bare skin, relishing the way his muscles rolled beneath his touch. Siren’s own fingers came up to knot in his hair, breaking their kiss to tilt his head back for better access to his throat.
There, hot lips made their way down his exposed neck in languid, open-mouthed kisses till Siren reached the line of his gills. His tongue darted out, flitting against the soft frills with controlled purpose, and prying helpless gasps from Kappa’s lips, before moving lower to the junction of his shoulder where the light drag of Siren’s teeth had him practically whimpering.
Molten need, hot and heady, flooded through Kappa’s body and he ground his hips forward, the friction good enough to make his skin prickle and draw out a fractured breath from Siren.
Imbued with confidence he let his hands wander lower, loving the way Siren’s muscles jumped as his thumbs flicked over the line of his hips. He paused, hands hovering there.
“Can I?” He asked quietly.
“Please.” Siren breathed back, melting under his touch. His head fell back, eyes fluttering with pleasure as Kappa’s hands dipped lower, fingers easily slipping between the slit in his scales and helping his cock spring free.
It was a little different to what Kappa had expected; a slightly darker colour than his blue skin, thick-based and ribbed all the way up to its rounded tip. Bigger too – not that a challenge had ever scared Kappa.
He wrapped his lips around the head, bobbing down to take more of his length, spurred on by the way his movements made Siren moan and gasp. It was hot in his mouth, hot against his tongue - a heat that seemed to seep through his body and coil deep within him. He dragged his tongue up the soft underside, letting it linger as he passed over each of the ribs.
The motion had Siren bucking up, hips chasing the warmth of Kappa’s mouth, and he responded by sinking back down onto it – swallowing around his length and delighting in the unravelled moans the action teased out of his boyfriend. Each lick and kiss drew out a new sound as he worshipped it with his tongue in every way he could think of till Siren’s tail thrashed against the sand and his shaky groans grew urgent and his abdomen pulled taut.
Then there were hands cupping his chin, gently lifting him away with a pop, and Siren was smiling down at him.
“Your turn I think.” He purred breathlessly, pulling him easily through the water and settling his hands at Kappa’s waist.
Through the haze of want, Kappa could tell Siren was being careful as he worked his way down his body with kisses and nips – all the way from the scar that sat over his chest to his belly. There he paused to kiss against the soft skin, drawing a line with his tongue that started in the crest of Kappa’s bellybutton and trailed lower. His hand slid over Kappa’s gleaming scales, three fingers drawing an agonizingly slow line down Kappa’s front till Siren’s middle finger found his slit. The light pressure of his lingering touch was almost too much to bear, and Kappa squirmed beneath him, hips jutting up in search of more assertive friction.
“Please.” He whined, “Siren, please...”
Siren obliged, replacing his hand with the slick heat of this mouth, tongue gently lapping along the line of Kappa’s seam. The motion sent sparks erupting through his groin and he moaned helplessly, keening into the touch. Siren responded by licking deeper, coaxing his cock out and following its line with his hot tongue, drowning Kappa in pleasure with each pass of his mouth as he moved even lower to drag the flat of his tongue across Kappa’s entrance.
One hand came to wrap firmly around the base of his cock, lethargic strokes earning soft breaths from Kappa’s lips. The other rubbed softly against his opening, almost cautiously, before Siren slid a single digit inside.
If Kappa had thought he’d known pleasure before, he realised now he’d been wrong because this was like nothing else he had ever known.
His whole body tingled with sweet bliss, hot waves rolling over him and the weight of his arousal heavy between his hips. It only grew stronger as he watched Siren work, writhing under the pulsing motions of his hands.
Kappa let out a choked gasp as Siren slid a second finger inside, delving deeper with each twist of his wrist. His tail beat uncontrollably while Siren thoroughly worked him open. In and out, up and down, till his whole world was spinning. And still, it wasn’t enough.
He let out a needy whine, hips bumping up to meet Siren’s palm, urging him on with a need that was quickly becoming unbearable to contain.
“More…” He begged, “Please Siren, I want more, I want you…”
Siren paused for a moment, cerulean eyes glimmering intensely in the dim light and gills flaring out with his laboured breathing.
Kappa was used to people staring at him, but this was so different. Siren’s gaze was hot, undoing him bit by bit as it roved over his body. It was hungry, the eyes of a predator, and Kappa knew then what Siren had meant when he’d spoken of a shark’s instincts.
It didn’t scare Kappa though. The sight of his boyfriend so transfixed on him, his eyes blown wide and body barely containing his desire, was as dangerous as it was intoxicating. He wanted to let the feeling consume him, cock twitching shamelessly at the thought of giving him everything.
“I want you, Siren…” He repeated, giving Siren the permission to continue that he was silently begging for. And Siren did.
He withdrew his fingers, cock dragging across Kappa’s own erection and sending thrills of pleasure through his body as he positioned himself over his entrance, pinning Kappa to the grassy floor with one arm on either side of him. Kappa's body followed upwards on instinct, mesmerised by Siren’s gorgeous frame arched over him – too eager, too desperate – until with one smooth motion Siren sank into him.
Kappa cried out, the sound shuddering with the flutterings of pleasure that shot through him as he took Siren’s full length. He arched away from the grassy floor, hips rising to meet Siren’s as they settled into an uneven rhythm, movements spurred on by frantic arousal as they ground against each other, their tails tangled and chests flush and lips meeting somewhere in the middle in a frenzy of open-mouthed kisses and breathy pants.
Rough hands skated over Kappa’s sides as Siren wrapped his arms around him – keeping him close with one settling between his shoulder blades and the other snaking between them to wrap around his neglected cock. He pumped it in time with his thrusts, drawing his fingers tighter as he buried his cock deep inside, unravelling Kappa with his relentless pace.
Each thrust drove him closer to the edge, each firm stroke threatening to tip him over and Siren didn’t look like he could hold on much longer either as his head tumbled down to rest against Kappa’s shoulder, clutching him close and driving his hips down hard. His mouth fell open in a frantic gasp, the clumsy motion of his hand guiding Kappa closer and closer to his climax till he was teetering on it – desperately rutting upwards for more until he could hold back no more.
He let out a cry as Siren bit down hard against the junction of his neck, but the sharp pain was instantly drowned out by the tidal wave of pleasure that swept up through Kappa’s body as he toppled over the edge of his orgasm – head knocked back, eyes scrunched, and hands gripped tightly to the base of Siren’s dorsal fin as though anything could’ve kept him grounded at that moment. With a strained gasp Siren joined him, emptying himself into Kappa with one final thrust, before he sank down, exhausted.
They lay like that for a while, chests heaving as the haze cleared and the intense buzz of pleasure slowly faded out into a distant hum.
It was Siren who pulled away first, gently cupping his hand to Kappa’s cheek. Then usual honest care had returned to his eyes which roamed over Kappa with concern before settling on his bloodied neck.
“You’re hurt…” He said quietly.
“No, no!” Kappa’s hand flew up subconsciously to the mark. The bleeding had mostly stopped now, only a slight soreness remaining to remind him that Siren had marked him. “I’m really fine!” But even as he spoke Siren’s face had crumpled with regret. He gently rolled them onto their sides, pulling Kappa into him and burying his face against the top of his head.
“I’m so sorry…” He murmured; voice muffled against Kappa’s hair. “I got carried away…”
“Well, maybe I should let you get carried away more often.” Kappa hummed against his chest, “I liked it.”
“Even this?” His fingers glanced across the side of Kappa’s neck.
“Especially this.” Kappa smiled, “It’s almost a shame I’m so good at healing, it’ll probably be gone in a few days.” He looked up mischievously. “I suppose you’ll have to give me another one when it heals, otherwise people might not know I’m yours.” He said and Siren, who had still looked a little unconvinced that Kappa was really all right, lit up like a jellyfish.
Kappa laughed, burying his head into the crook of his shoulder, and settling his tail around Siren’s larger frame. Strong arms squeezed him close and before he could say another word, Siren was peppering the top of his head with tender, affectionate kisses.
“My love…” He chuckled, voice full with warmth and contentment, “I don’t think you need to worry about that.”
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