Floundering, Falling, Tasting the Sea

by Dianerds

Tags: #cw:cannibalism #cw:gore #cw:noncon #cw:sexual_assault #bondage #dom:female #f/f #fantasy #pov:top #sub:female #corruption #cw:blood #handjob #mermaid #transgender_characters #zombie

A resurrected corpse soldier falls to the temptations of a siren sea-witch, and betrays all her humanity for the sake of “dinner” with the man-eater. A Mermay 2026 short yuri corruption fic.

Her silver scales shone with the luster of the finest pearls, just as her silky glimmering hair, like threads made of little diamonds, sparkled opalescently against the bright blue of the sky and sea around her. Her laughs were radiant, and her song was bedazzling, but not for anyone still left alive. At the bottom of the crag, the wreckage of a gunboat burned, three-quarters of its crew reduced to corpses dead and drowned. The rest—pigs, all of them—had made it here long before Cerena, as she had endeavoured to free the young ensign Miriam from the rubble in the below decks, and now every last one of them lay on the rocks, smiles upon their faces and their throats scourged with murky black and red fissures. The siren sat at the center of her expired supplicants, picking supple tender flesh from a long wiry bone, blood dripping down her chin and a playful smile on her lips.

"You!" Cerena cried, levelling her pistol at the sea-witch. She remembered again that her trigger finger was among those currently missing. That certainly undercut her threat.

"Oh? Want some?" The siren said, offering her a severed hand.

"What nerve you have, monster!" Cerena chortled, but the siren was mercilessly blunt.

"Well, you're a revenant. You're a man eater too." The siren whined, "If you think I'm selfish, I didn't exactly ask to end up with such a buffet before me. Will it quiet your assumptions if I tell you that you're welcome as any of my sisters to dine with me?"  

Cerena bit her lip. Was it even worth explaining her nature to this sea-witch? She had been given life in perpetual undeath in the bosom of the skull saint herself, and it would not end until she had completed her duty to crown and kin, and her stitches were finally unsewn by the fetid crows so she could be burned in the death of the way of the many-dead and forevermore at peace warriors. A man-eater was only how the fools scowled at her when they saw her gnawing on her corpse rations, not understanding the holiness of her cause, to walk in the most baleful corruption to seek an end completely cleansed of it, the necessary evil she represented in the battle against the heathenous hounds that gnawed at empire's legs.

Miriam, ever the noble-hearted, spoke on her behalf though. "Lance Corporal is no mere man-eater. She is amongst the most loyal and dedicated soldiers of our nation, returned to fight for glory after her expiry, and you ought to show your proper respect!"

The siren laughed, "Gosh, little lady. I'm hardly insulting her by calling her a fellow man-eater. Her dietary preferences are hers to decide, it's quite commendable actually given how tough nature is to go against. Look, why don't I get your names? I can probably help you get off this rock and back to the country you love so much." She clicked her tongue, a devilish smile upon her face, "After all, you have a lot to offer. I wouldn't usually say I dine on zombie, but maybe company from some devilishly handsome butch will might change my mind enough to give her a taste."

Miriam was just about to protest, but Cerena was ready to divulge. "My name is Lance Corporal Cerena Pharrel, first-dead. What are your terms?" Even if driven by basal urges, feral monsters were intelligent enough to make deals, and she wasn't too opposed to what this siren might have in mind. Seashells and kelp-string together wove a bra that only barely contained the siren's stacked chest, and she had been left feeling long deprived on account of  being at sea. She was bitter about the massacre this siren had committed regardless of her natural propensities, and despite the captain and command staff's incompetence making this inevitable, but she wasn't going to complain about this siren offering her body. The sea-witch just couldn't blame her if she was rough.

"I'm Ensign Miriam Revach, of her majesty's royal navy!" The young soldier yipped, reflexively at attention. Under her breath, she whispered to Cerena, "Lance Corporal, you can't seriously be considering her proposition—" Her words died in her throat as from behind her, the siren pulled out a flare gun, dry and with a better chance of successful firing than any still on the ship. It might be their best way to signal for help. 

The siren hummed, "My name is Sapphire Seaglass, but you can call me Sapphi." She ran her finger over the rim of the flare gun's barrel, before her finger hooked around its trigger. "I'd simply like to see how you make your girls feel good." 

Miriam was shaking her head at Cerena, appalled on her behalf and begging her to reconsider, but Cerena knew that Miriam was really too much of a prude. "Hey, trust me on this. I'm doing this to get us out of here," Cerena said, fluffing Miriam's hair with one hand. But then, she had departed for Sapphi, Cerena was a rough sailing type eager to be able to boast about fucking a sea-witch. 

Taking a seat behind her, Cerena wrapped her hands around Sapphi, fingernails digging into her hips. Sapphi giggled as she flapped her tail and pushed her back into Cerena's chest. "You're quite a brute, aren't you?" She said, still nibbling on a few thin strips of human meat, before Cerena's hand leapt up and took hold of a fistfull of her hair.

"Hey!" Cerena yelped, "Aren't you afraid of setting off the gun?"

"You wouldn't dare," Cerena growled in her ear, "You've been begging for this since the moment you saw us and started eying me like a desperate slut."

Cerena's teeth crested Sapphi's ear, and then moved to marking the girl's pretty pale neck. Her prey let out soft sweet moans as she slid her fingers underneath Sapphi's seashell bra and pinched her breasts, and with her moans came movement as she slid her hands away from a spot on her tail where scales were beginning to part. Slowly, her pinkish length unfurled itself as it rose, slick and steadily leaking from its peak.

"Gosh, you really just want to jump the bed with me huh?" Cerena cooed. "Fine." She let go of Sapphi's hair, bringing the hand around to hook two fingers inside her lawling mouth, feeling the sticky heat of blood and grease just as much as her drool. "I'm going to make absolutely sure you don't screw us, understand?"

Cerena's hand pulled free from under Sapphi's bra, clasping it completely around one of her thin wrists instead and watching as her fingers tensed around the handle of the flare gun just inches away. But Cerena made no further attempt to reach for the flare gun, instead, she brought Sapphi's shaking hand upwards until its nozzle was pointed right under her chin. 

"You better be able to hold out," Cerena chuckled. 

She released her Sapphi's mouth, and now her whining murmurs could be more clearly heard as she panted, "Holy shit.. holy shit… you're fucking insane, Cerena, holy shit, holy shit." She didn't ask Cerena to stop though, and her words only slurred together more as one finger and then another curled around her sex. 

With a kiss to the back of her head, Cerena began to work her hand up and down Sapphi's shaft, while her grip elsewhere still firmly held the flare gun in place. Every so often, she'd catch glimpses of Sapphi's pleading eyes staring outwards across the ocean, or see her reach up so her teeth could bite down on the nails of her claws. Otherwise, Sapphi leaned into Cerena, arm desperately hooked around the butch's neck, helpless moans drawn out of her one after another with each swift pump. With one long shudder Sapphi desperately held back from climbing up her spine, she came, pearly beads spilling over Cerena's fingers, and both of them sat there silently for a moment, catching their breath, before Sapphi turned and took Cerena into a kiss. 

Cerena's body howled as a sweet-beyond-sweet taste flooded her mouth, more rich than honey and more soft than marshmallows. She knew immediately that she had committed a cardinal sin, or rather, allowed the sea-witch to inflict it upon her through her own negligence. She let go of Sapphi, pushed the siren away the moment she was sure the girl's finger pulled free from the trigger guard of the flare, and covered her mouth in abject horror and shame. Waiting even that moment to ensure she didn't set it off felt like waiting a moment too long, like she had embraced completely her damnation. The taste of blood, and the taste of meat from a piece that must have been Sapphi's most-recent snack, hung in her mouth, cloyingly and unabatingly. It was said that every revenant that tasted fresh human meat was doomed to go mad, and turn on even their own brethren, but though she heeded such tales with caution she was never able to imagine what flavor could compel such depravity in once-rational men until now. She had expected that when her corpse rations ran out she might turn to cannibalizing the sun-dried, sea-brined bodies until help came, and that notion—eating old leathery flesh just for mere sustenance—didn't bother her especially as she couldn't say she'd prefer it over the more civilized classes of dish at port, a sentiment that made her feel as unfortunate and human in this situation as the ensign. However, now for the sake of not letting this fleeting taste of heaven fade with the delectability of the fresh dead, she wanted to immediately join Sapphi in her ravenous, gluttonous feasting.

She looked up and over, at Miriam, catching a glimpse of a face full of flustered want and yearning as she stared at where the two monsters had embraced. Such a shame, Cerena thought, given how her moves had fallen through completely on the young soldier and the girl's previous continued peeks towards Sapphi's chest earlier in conversation gave Cerena the idea the girl only really cared for femmes. Whether watching Cerena's work had awakened the girl to butch loving, or just impressed upon her Cerena's prowess, her eyes followed Cerena in a way the man-eater couldn't handle at the moment. When she turned to Miriam, after all, her mind had asked first, "Imagine how good blood must taste right from the tap. Do you think she would let you take a drink if your fingers were buried in her cunt?" 

Cerena was snapped out of that fantasy, perversely tickling as it deeply disgusted her, by Sapphi handing off the flare gun to her. As Cerena put it into her side-pack, and got up to head back her comrade's way, the satisfied, smug voice of Sapphi slipped her a question she never wanted to have to consider.

"Hey, the ensign's quite pretty, can I have some time with her too? I won't bite, unless you're okay with that as her superior, Cerena~."

Cerena's appetite raged, vivid images of Sapphi wrapped around Miriam, devouring her in lust and hunger, intermixing with her own fantasies of the same, neither letting the other rest as Cerena's body ached with more passion than she knew existed in her cold flesh at the idea of sharing in dark communion with the cute nymphlike siren. How could she feel satisfied making her spurt all over herself when she couldn't even kiss those ruby-stained lips again and taste that beautiful monster?

She had been frozen in place, but finally she croaked out, "Deal's a deal." She walked over to Miriam, telling her what she needed to do, that the siren had never specified it was just Cerena she demanded relief from, even as the ensign protested that the flare was already theirs. Frustrated, Cerena barked at her to listen to her commanding officer before she caught herself, lowered her voice and pleaded, "I don't want a fight, so let's just play nice with her. She's stronger than she looks. Don't worry, I can be there right by your side, and I'll only let her feel you up a bit, nothing more. I'll keep you safe."

She sympathetically brushed her hand through the ensign's hair, feeling the girl relax into her for a moment. Then, the girl pulled back, reminding her that Sapphi's sticky seed still coated her fingertips.

"My apologies," Cerena said, even as her eyes couldn't focus anywhere else but that now-damp spot. "Regardless, do you think you can do it?"

Miriam tried to put on a stern face, but she still looked on the verge of tears. "Maybe it's different for you but… I just can't, I'm sorry. It wouldn't matter how pretty or scary she was, she's killed too many of our country men for me to do anything but run or die trying to drive my knife into her neck."

Ah, that was that. Cerena wanted to sympathize, and began to reconsider, but the part of her brain still dancing with her daydreams was already making words out. "I could blindfold you."

"What?" Miriam said.

"I could blindfold you, so you wouldn't have to see her. Trust me, it will help." She had committed to this path, if only by digging herself so deep there was no other way out. But as she wrapped bandages around Miriam's eyes, and the girl after looked so naively and pitifully trusting as to give herself completely to Cerena's monstrous self, her conscience stopped fighting completely. It never had much to say when she had a girl at her mercy like this. She fumbled something off her belt, and took Miriam's hands into her own, caressing palms that lingered for every last second of attention they could. Then, she slid the handcuffs around both of her wrists and clasped them down.

Miriam's cries of confused, delirious terror rang in Cerena's ears as she dragged her over to Sapphi, and laid her down in-between them. If Sapphi wanted this to happen, she instead put on a face of delighted surprise at her gift. "Why don't we share her?" Cerena playfully asked. The two monsters looked at each other, giggling and cackling in mutual excitement.

"If she were a pig, there'd be no questions about devouring her on the spot, they bore me and I can't stand having them around too long," Sapphi said, her clawed fingertips swiftly popping button after button off the girl's coat, "But a cute little creature like this, I want to keep her around as a plaything for as long as I can."

"I can definitely keep her alive until rescue comes, so don't be shy to give her a few wounds, Sapphi. I've got more than enough medical supplies on me," Cerena said, slipping her hand inside Miriam's now-open coat to pull up her shirt and expose her breasts. 

"You've just decided here and now you want to eat her that quickly? Fuck you're one crazy dyke," Sapphi laughed.

Cerena chewed her lip, as the exploring hand milked out sounds from Miriam other than begging for her life. "I was actually thinking of sharing a kiss with you, after you took the first bite," She offered.

"Oh dear, you're so polite. I'm such a lucky lady!" Sapphi sang, "Now, for the cute girl stuck between two terrible, beautiful women, does she have a spot she'd like?" With no coherent answer in response, she found a spot on her own, asking, "How about here?" She leaned down, lapping at a supple spot on Miriam's collar stretched between her claws before she daintily brought her teeth down and tore. 

Miriam writhed and hollered, while Sapphi chewed and licked her fingers clean. She then brought her face next to Cerena's and joined her in a passionate kiss, tasting her deeply while the revenant's tongue explored every drop and fiber of the ensign peppering the inside of her mouth. In the midst of them conjoined, hands firm in eachother's hair never wanting to pull away, the struggling beneath them ceased as they came apart, surprised and a bit disappointed that Miriam, in pain or terror, had passed out. They'd have to patch her up now, something which was a bit of a damper so soon after the start of their whirlwind embrace, but when she was roused and lucid again. 

Both of them knew they wouldn't be able to resist diving right back into their meal.

This is a belated birthday present to one of my dear friends, who requested a fic featuring a zombie and a mermaid. Turns out, something uniting both of those monsters is man-eating, so cannibalism is what I decided to explore with this fic.

x1

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