Chapter Text
“People are usually more afraid of this, it’s refreshing to see someone so accepting.”
Her soft voice echoed through the chamber, the surface of the pool adding a peculiar shift to the reflection of the sound. Alongside the echos were subtle drips and plinks of an undisturbed body of water, stirring from the random shiftings of the world around it.
It was hardly a glamorous room; the dark muddy bricks that ran along the wall had been laid long ago and nearly forgotten by all but the most familiar with the layout of the castle. An arched ceiling coated with moss nearly threatened to collapse, had it not been held up by long-standing magic. A single doorway in the far corner looked more like a continuation to a deeper cellar than any sort of glamorous entryway, but that’s all it was, illuminated by a chandelier hanging in the center of the room above the pool, unevenly populated with candles left lit for uncounted decades (another perk of magic).
Despite the sorry state of the rest of the room, the pool itself was in remarkable condition, owing partially to Luna’s diligent upkeep (this was her sanctuary after all). The magic cast long ago to keep it clean was ill-suited to handle the new types of bacteria and assorted flora that had since evolved to take refuge in the still, unchlorinated water. When Luna had first found this place, the water was closer to a sickly bile than anything worth swimming in, but months of effort had converted the place into water clean enough to drink. The rest of the room had been left largely unmodified, as Luna felt they were imperative to preserving the feeling of the chamber (and was frankly concerned about the structural integrity being compromised by any significant changes).
This chamber had turned into something of a playroom for Luna; she had always been fond of spending time in the water, and having her own private place to do so made it all the more compelling. She had left a tripwire of sorts near the entrance when she first discovered the chamber, hidden behind a set of shelves deep within the catacombs under the castle, but it had not been triggered once by anyone uninvited. Eventually, though, this play turned from a solitary activity into something Luna liked to explore with others. The first visitor she had brought down to the chamber was a half-siren she had met whilst on a break from her research. Although the encounter was nearly fatal to her in spite of her ingestion of gillyweed (sirens have incredible stamina and little regard for the safety of their playthings), it became a new desire for her to satisfy, and she had constructed the perfect place for it to occur within.
Not satisfied with merely being the recipient of such torturous acts, she had begun inviting those she fancied to her chamber to take part in this experience at her mercy. Today was no different; following a particularly steamy result from a pub visit the night prior, Hermione had agreed to subject herself to Luna’s desires, whatever they may entail.
She had been led down to the chamber blindfolded, to help preserve the sanctity and secrecy of its location, and when the pool was revealed to her, she gasped. She had expectations of what Luna intended to do with her (the girl had quite a reputation), but this was not at all in the cards. While Hermione was a masochist, she feared death, and this room looked an awful lot like it. Notwithstanding that she was not properly dressed to get wet.
“And what exactly is this?,” inquired Hermione, turning to Luna, whose subtle smirk widened when she saw the fear in her eyes.
“I’m going to drown you, obviously. Not permanently of course, just enough to experience every part of it. Most people report that it’s quite pleasant.”
Hermione shivered, briefly regretting agreeing to this, but not even for a moment intending to turn back. Were it anyone else, she might have. Luna’s soft smile and gentle touch were too alluring to turn down, regardless of what pain she might inflict upon her.
Hermione had apparently been silent long enough for Luna to take notice. “If you still desire as such, of course, perhaps I wasn’t clear previously.”
“No, no, of course I would still like to! I just wasn’t entirely prepared for this. I was expecting something a tad more… conventional.” The tone in her voice was apprehensive, yet curious.
“I don’t blame you, very few people know this place exists. It’s the product of quite a lot of work. But I assure you that the experience is like no other,” she gestured to the pool. Hermione suddenly noticed for the first time the chains that lay at the bottom, finally providing her with a sense of depth (the pool must have been at least a few meters deep), and became increasingly aware of how brutal this was going to be. The chains ran straight into the plaster that lined the pool, clearly ages newer than the rest of the room, and Hermione wondered if the chains were a new addition as well.
“Okay… how will we, well, start?” questioned Hermione, clearly becoming increasingly nervous at the situation at hand. Sensing this, Luna laid a hand on her upper arm and gave a gentle squeeze.
“However you’d like to, though I’d imagine you’d like to strip first,” Luna said, looking up and down at Hermione’s robe, curious what was underneath.
“Alright, just… don’t judge!,” she said as she untied the robe and pulled it off her shoulders, revealing a ruby red lace bra and a jet black set of panties, clearly meant to match. The undergarments would’ve been quite well suited for a bedchamber, but felt slightly out of place in this setting.
“Oh, gorgeous, why would I judge? You look absolutely beautiful,” teased Luna, coming close and running a hand along her side, feeling Hermione’s hips and tracing the curve of her waist until she laid a thumb at the base of her breast with a gentle squeeze. She leaned in close, nearly kissing her, with a breath that smelled vaguely of mint. “I cannot wait to ruin you,” she whispered with a smirk before pulling away and twirling around. Luna’s long blonde hair flipped around her as she turned to face away from Hermione before immediately dropping her own robe off her shoulders, revealing a dark blue bikini that clashed beautifully with her pale skin, accentuating her slim figure and curved waist.
Hermione nearly moaned at the sight of her, eager to explore every inch of that figure in more ways than one. Although small, Hermione could see now that Luna was far from weak, her every move tensing well toned muscles along her arms, finally laid bare to see. A series of scars and marks crossed her body, primarily on her lower legs, but the most notable was a gash from her hip along her back nearly to her scapula. The scar was faded, but present nonetheless, rising from her skin like a mountain range in contrast to the perfectly flat and fair skin that composed the rest of her torso. Hermione had felt it the night prior when her hands wandered under Luna’s blouse, but seeing the extent of it was nonetheless shocking. How could such a sweet girl have such brutal wounds?
Still facing away from Hermione, Luna gathered her hair and began to tie it up in a high ponytail. The sheer act of raising her arms revealed even more musculature and definition. Hermione watched as Luna’s back quickly sprouted muscles she was unaware existed, erupting from the flat and bony upper back that looked unpopulated before. Hermione questioned how exactly the girl had gotten so muscular; she had never once seen her work out. Maybe her frequent sexual adventures were more effective for conditioning than she had thought possible.
Luna dropped her ponytail, the end of which laid perfectly centered between her shoulder blades, her lightly colored hair nearly blending with the fair skin of her back. Only the clasp of her navy blue swimsuit provided contrast between the two, the halter top leaving her upper back and shoulders completely uncovered. Only a thin band of fabric wrapped around her torso to keep it in place, and a single clasp begged to be undone by the end of the evening.
“I do apologize for not properly preparing you. I like to keep a swimsuit on for my own comfort, but if you would rather not wet your quite nice outfit, I’d understand,” said Luna as she spun around to face Hermione again, her hair pulled back tight and yet another side of her visible. Though in another context it might appear completely appropriate to wear to the pool with friends, her swimsuit perfectly cupped her breasts, covering enough to appear modest, but showing plenty enough to inspire thoughts of what little skin wasn’t shown.
“I think I’ll keep it on for now,” mumbled Hermione, doing her best not to drool at Luna’s beautiful form. “I wouldn’t be averse to removing it later though, if you so desire,” she quipped with a slight smirk in Luna’s direction, immediately reciprocated with a nod.
“I’ve made somewhat of a set of rules for people I invite in here, mostly for safety. I would like to avoid having to take you for medical care in such a state if at all possible.”
“And what would those rules entail?”
“Well, you might call it a procedure. Before I keep anyone underwater, I let them stay on their own as long as they can, such that I know how long I have to play with them before they drown. I find that it makes things a lot easier for me”
Hermione shuddered, briefly reminded that the end goal of today was, in fact, her drowning, and just the thought of inhaling water nearly made her choke. Nonetheless, the temptation to see just how it felt (and frankly, to have Luna be the one doing it), was too alluring to resist. For the first time, Hermione understood exactly why sailors happily chased a siren’s song.