Nihility's Onsen

The night was perfect. The moon hung low, casting its soft golden glow over the steaming waters of the onsen. The only sounds were the occasional trickle of water, the rustle of a summer breeze, and the faintest giggles and murmurs of three stunningly mature women who, for some reason, had all decided to share this bath with you.

It was the kind of scenario that only existed in fantasies.

Yet here you were.

Kafka exhaled a long, pleased sigh, stretching out luxuriously in the water. The damp heat made her already form-fitting towel cling just a little too well to her figure, her wavy violet hair damp and sticking to her bare shoulders.

"Ahh, there’s nothing better than an onsen after a long mission, wouldn’t you agree, sweetie?" she purred, tilting her head at you with that ever-present smirk.

Your throat felt dry—despite being submerged in hot water.

Beside you, Black Swan was swirling the surface of the water with delicate fingers, her half-lidded violet eyes watching you with quiet amusement. "Kafka, you do realize he’s probably on the verge of passing out, don’t you?"

"Oh, I know," Kafka cooed, shifting closer—her bare shoulder pressing against yours. "But isn’t it just adorable? My little boy’s all grown up… sitting here, handling himself like a true man."

Acheron, sitting on your opposite side, let out a small sigh. Unlike Kafka, she wasn’t openly teasing you, but her mere presence—her long silver-blue hair damp against her skin, the way her towel barely concealed her toned yet graceful figure—was enough to add to the overwhelming reality of the situation.

"I still fail to see the purpose of this," she murmured, though her usual sharp gaze flickered toward you.

Kafka gave a mock gasp, pressing a hand to her chest. "Oh, come on, Acheron, don’t tell me you don’t see the charm! A handsome young man, three mature women…" Her smile turned downright sultry. "In a secluded hot spring, under the moonlight… Oh, if I were younger, I’d be worried about myself~"

"Ah… I see," Black Swan murmured, lips curving into a sly smile.

Kafka giggled, twirling a damp lock of her hair. She turned to you, her voice dipping into a velvety, almost hypnotic whisper. "Tell me, sweetie. Do you like what you see~?"

The woman who had treated you like a kid for so long. The one who used to ruffle your hair and call you adorable—who had always known exactly how to fluster you. Now, she was leaning into you, her lips just inches from your ear, her voice teasingly low.

"My, my… you’re not looking away," she purred, her fingers brushing just barely against your arm. "Could it be that my little darling has finally realized… that I’m a woman too?"

Beside her, Black Swan swirled a small ceramic cup of sake, watching you with a gaze that was both calculating and indulgent. Her deep violet eyes glimmered behind her lashes, her body poised yet relaxed.

"Kafka," she mused, voice soft but teasing, "I do wonder if your ‘affection’ for him has gone beyond motherly."

Kafka giggled, pressing a finger to her lips in mock thought. "Hmm~ What a naughty thing to suggest, Black Swan. Are you jealous?"

Black Swan’s lips curled ever so slightly, but she said nothing, merely taking a slow sip of her drink.

Acheron, on the other hand, remained composed as always, though the flicker of amusement in her cool, violet gaze betrayed her otherwise indifferent demeanor. She exhaled softly, tilting her head in your direction.

"You’re holding up well," she observed, "but your breathing is uneven."

Kafka beamed. "Our dear boy is being so polite, trying his best to keep his eyes where they should be."

Kafka let out a soft, pleased hum as she settled herself directly beside you, her body pressing into your arm, her towel-clad form dangerously close. She tilted her head, watching you with the kind of gaze that made your breath hitch—slow, unreadable, devouring.

"After all you've been through," she whispered, "you deserve a little reward, don’t you?"

Black Swan, now thoroughly amused, leaned in slightly from the other side, trapping you between them.

"Perhaps Kafka is right," she murmured, her voice smooth as silk, "You’ve done well. Surely, this is a fitting way to unwind."

You weren’t sure if it was the heat from the water or something else entirely, but your pulse pounded.

Then Acheron, ever the composed one, smirked.

"I suppose," she mused, tilting her head.

Kafka chuckled, running her fingers through your damp hair in a mocking show of affection. "Oh, don’t tease him too much, girls. He’s still my precious boy, after all."

Then, lowering her voice into something far more dangerous—

"Though… if he wants to prove he’s a man tonight…"

"Come here, sweetheart~"

You barely had time to react before she pulled you toward her, her touch deceptively gentle but firm enough that you felt the shift in control.

The heat of her body against yours, the scent of her perfume—something floral, but undeniably womanly—was enough to make your head spin.

"Better? Or do I need to hold you closer?" she teased, her breath tickling your ear.