Darling, it's better | down where it's wetter | k. bakugo merman x reader

Your jaw drops, and you honestly can’t find the strength to close your mouth. Mating advances? “I-” you start, then cut yourself off. It feels like the world has tilted just slightly off to the side, throwing you off-kilter. You have absolutely no idea what to say. “Give me a minute.” You blurt, darting to your feet and turning away from him to pace. 

You quickly encounter a problem, in that there’s nowhere to pace to; the ledge is only so large, so all you can really do is march from the edge to the wall. Overall, it’s only about ten paces long, and the whole time you’re focusing on not slipping on the moss. It doesn’t exactly give you a lot of space to think, but your mind still goes into working overtime.

You sneak a peek at Katsuki -- he’s lounging exactly where you left him, but his eyes are sharp and alert as they follow your movements. Not for the first time, you take notice of how unnaturally handsome he is; his features are perfectly formed, his skin clear and flawless where it stretches and swells over his finely muscled form. He looks like a handsome prince from a storybook, and you hate that you’re feeling sparks of attraction towards someone who’s half fish.

Katsuki clearly notices you looking at him, because he stretches out to display his body in a way that’s distinctly suggestive. You look away quickly, embarrassed at having been caught staring. How would that even work?

You can’t believe you’re even entertaining the idea.

“I’m not gonna fuck a fish.” You breathe, eyes clamped shut. “I’m better than that.”

“Who the fuck are you callin’ a fish?” Katsuki snaps. His tone is heated, but the way the split fins at the end of his tail slap a steady rhythm against the ground reveals his excitement. He must have caught on to the fact that you’re actually considering it, because the fins on the side of his head have begun to wiggle a little in anticipation. “Will you stop overthinking it and come over here?”

You hold onto your pride and dignity for another few seconds before abandoning them altogether and padding back over to him. You fold yourself down into a sitting position in front of him so that you’re facing each other. Katsuki sits up quickly, his lips beginning to turn up in a grin. You ignore the anticipation flashing over his face, and ask, “So, how does this, um, work?”

Katsuki inhales sharply, obviously excited. His fins flap softly against the side of his head. “Let me show you.”

“Right, okay. Yeah.” You say stupidly, eyes widening as Katsuki leans in. Any further rambling is cut short as he presses his lips into yours.

The kiss is a little clumsy at first -- Katsuki is careful with his sharp teeth, but the feeling of them pressing against your mouth sends a little frisson of excited fear down your spine. It’s only when he’s pressed up against you like this that you realise there’s a stark difference in your body temperatures; Katsuki’s skin is cool and soft, which feels amazing pressed against your rapidly heating body.

He pulls away from the kiss, leaving you blinking stupidly after him, and then pushes at your shoulders to guide you down onto your back. The moss underneath you acts like a cushion, so it’s significantly more comfortable than you had been expecting. This ends up being a good thing as Katsuki lowers himself down on you, his weight pinning you to the floor.

“You’re so warm.” He murmurs, nuzzling into your throat before nipping softly at it and snickering when you jerk at the sting. His hands skim over your sides, his clawed fingers dragging harmlessly over your vulnerable skin.

You hate to admit it, but there’s something about the danger of the whole thing that’s really getting you going. You recall the bones that had previously cluttered the whole cave floor, and know that Katsuki not only could rip someone apart if he felt like it, but had done so before.  You squirm beneath him, pressing your thighs together as he kisses at the sensitive junction between your throat and ear.

Apparently unhappy with the position, Katsuki leans back a little so he can pry your legs apart. As soon as you drop your knees open he squirms into the gap and presses himself right along the line of your body, dropping aggressively eager kisses all up your chest and throat. “Take this off.” He rumbles, tugging irritably at the strings to your bikini top.

“Um.” You say, thoughts a little hazy. Every time Katsuki moves the muscles in his tail shift and roll, and his tail is pressed right in between your legs. “Off. Right.”

Katsuki watches as you tug the fabric off, his eyes bright and impatient. No sooner have you tossed your bikini top to the side than he’s on you again, thumbs rolling over your nipples as he pushes his face into your breasts. “What the fuck,” he mutters, squeezing curiously at one breast and licking a stripe over your other one, “You’re so soft.”

Desperate to touch back, you reach up and run your hands through his salt-coarse hair. When you accidentally brush against one of his head fins, his reaction takes you by surprise – his whole body jolts, pressing into you harshly, and he groans a little into your ear. You do it again, grinning as Katsuki’s hands abandon your tits so he can grab you by the hips.

Maybe your own excitement causes you to forget yourself, but you can’t help but grind your hips up into Katsuki where he’s pressed in between your legs. Katsuki laughs a breathless, snarling laugh before grinding back into you, the base of his tail just under where his human half ends pressed flush against your covered pussy. Katsuki, still gripping you by the hips, grinds repeatedly against you – the scales on his tail create an almost ribbed texture, and every time they drag over the front of your bikini bottoms you can’t help but twitch your hips back against them.