Volume 4 Chapter 20 Kirari’s Unexpected Release: The Dungeon Spa’s Erotic Lymphatic Massage
Edited by: Kanaa-senpai
A sloshing, semi-translucent light blue slime, a writhing mass of tentacles, pulsed into existence behind the treatment table. Kirari, utterly exhausted, slumped down, oblivious to its arrival. She was completely at ease, trusting her surroundings, when the tentacled creature extended several thick appendages from its watery body and lashed out—

”Heeh?! What in the world is this? A monster?!” Kirari cried out, a high, panicked squeal. She immediately assumed the creature was a dungeon beast due to its terrifying look. She tried to fight it off, pushing her strength against the slimy bonds wrapped around her four limbs, but the Recoil effect made her efforts useless.
”Nngh!? My strength… Ah, no, no way… is this, is this supposed to be the treatment?” Kirari gasped, her voice catching as a tentacle brushed against her ear. She was quickly realizing her entire body was becoming far too sensitive, a slow, embarrassing heat starting to spread through her. Yet, the slime inflicted no pain or attack. Because of this, Kirari began to understand, with a growing horror, that this must be the intended process.
”No! My voice… I can’t stop making sounds! This is… this is too much…!”
The watery tentacle slickly ran over her entire face. It was careful not to cover her nose or mouth, expertly stroking every other inch. The tentacles on her ears twisted their tips, becoming smaller and invading the inner folds of her ears with a wriggling motion.
”Ah, ah… this is impossible… on my noble body… stop it!”
The treatment slowly worked its way down. She could still bear the contact on her neck and arms. But now, the tentacles were closing in on her chest, a place no one had ever been allowed to touch.
”No… is this really… is this how I become beautiful? Truly beautiful?!” Kirari’s voice trembled. Since the intended Effect hadn’t shown up yet, she was utterly skeptical. Plus, this whole thing was happening in some bizarre, unknown dungeon facility. All she felt was doubt, unable to believe this was legitimate. Even so, she had absolutely no way to escape.
* * *
”—Man, a hot spring inside a dungeon is seriously the best, ain’t it!”
Meanwhile, Hongo, the leader of Kirari’s squad, was relaxing in a separate spring with four other adventurers.
”I’ve never seen a dungeon like this before,” one adventurer observed.
”It hardly seems like a dungeon facility. What’s actually going on here?” another wondered aloud.
”Who knows,” Hongo mused. “But it’s a rest area, right? Are they just trying to make us want to beat the dungeon even more?”
”I don’t think so… even the F-Rank floors left us this exhausted from the gimmicks…”
Though the monsters were weak, Kirari’s squad was completely worn out by the numerous attraction-like traps. This kind of situation was unheard of in a normal dungeon. While typical dungeons increased the level of fatigue proportional to the rank, this dungeon paid no mind to such conventions.
”—Should we try that ‘Lymphatic Massage’?”
It was Fujiki, the adventurer who wielded the ‘Water Discharge’ Gift, who spoke up. His eyes were fixed on the sign for the ‘Lymphatic Massage’ spring, which was separate from the regular hot spring.
”The hot spring is relaxing, yeah, but it doesn’t actually restore your stamina or fix all this fatigue,” Hongo pointed out, then added, “Fujiki, why don’t you give it a shot?”
”Huh, me?! Why me?” Fujiki protested, startled.
”Go on. If you try it, everyone else will follow,” Hongo pushed.
”I’m not the scout, you know!”
Despite his complaint, Fujiki got out of the water after Hongo’s prodding. He headed toward the separate bath where the ‘Lymphatic Massage’ sign stood.
”Haa… fine, I’m going in, okay—”
Splash. Fujiki put one foot in, then nervously immersed his whole body. The bath resembled a Jacuzzi-equipped sleeping bath, leaving only his head above the water line.
”How is it?” Hongo called out.
”Uh, nothing yet… what’s different between this and the other bath… whoa?!”
”Fujiki?!”
Fujiki’s body was suddenly wrapped in a semi-transparent slime that had appeared, unnoticed, in the water. Just like the ‘Skin Quality Improvement’ slime, it was extending its tentacles and touching his body.
”This is… this is really bad! I… I can’t… stop it… stop it!”
A man’s ecstatic shriek echoed through the male-only bathhouse, and the other adventurers simply stared intently at Fujiki.
* * *
”Aah, aah… no, no, no, no, no! Not there! Stop touching there!”
The extended tentacle was delicately scribbling right in the center of Kirari’s terribly ticklish armpits, making her shriek and squirm uncontrollably. This was the first time she had ever been tickled like this, and Kirari couldn’t control her reaction, only letting out continuous gasps and giggles.
Her eyes were starting to roll back as her body twitched and convulsed. Several minutes had already passed with the treatment focused on this one deadly spot.
Her fair skin and super-sensitive hollows were being repeatedly scratched and teased. Moreover, the tentacles had adopted a surprisingly evil set of movements because Ecoa had programmed in an Effect corresponding to maximum tickle chaos.
Pop. The tip of a tentacle opened, revealing several smaller tentacles nestled inside. They latched onto the center of her armpits and began to scribble like crazy, chupa-chupa, like a dozen tiny feathers attacking at once.
”No, no! This is going to make me crazy! But… why don’t I hate this? Why is this happening?!”
Ecoa had claimed that the Effect was set to mimic the sensations Kirari felt when Hirose performed a merciless tickle attack. Because of this, Kirari’s body was now on the verge of liking Hirose’s fingers—or in this case, the slime’s tentacles—even more.
”It’s a lie… if this keeps up, I’ll… H-Hongo!… No, I can’t… I can’t call out… no one can see me like this… it’s going to happen… stop it… Aah! Aah! AAAAAAAHHHHHHHHHHHHH—!?”
In that instant, Kirari’s body arched violently.
Her head snapped back, her toes pointed rigidly, and her whole frame shuddered with explosive laughter. Her first uncontrollable giggle-fit hit her like a tidal wave.
”Agh… Agh… no more…”
As her strength faded, a new wave of humiliation washed over Kirari.
”N-no! This is absolutely forbidden! I won’t allow this disgraceful posture… Ah! Don’t open…!”
A tentacle wrapped around her ankles and forcibly yanked her feet up and wide apart. Even though no one was actually watching, the pose—soles completely exposed and helpless—was undeniably shameful to her.
This, too, was a place no one had ever been allowed to tickle. Kirari’s face twitched as she could only stare, helpless, at the wriggling tentacles.
”Aha, ahaha… this is my first time, you know…?”
She let out a bitter laugh, unable to accept what was happening, as a viscous tickle-lotion dripped from the tentacle.
The slick fluid landed on Kirari’s stomach and slid down, coating her soles and making them ten times more sensitive. Kirari gasped.
The next second, multiple tentacles shot out toward the most vital tickle-spots on the soles of Kirari’s feet—
”AAAAAAAUUUUUGHHHHHHHHHHHHHH—!? No, no, no, no, no, no, no, no, no, no, no, no, no, no, NO, NOOOOOOOOOOO—!?”
A shattering scream-laugh echoed in the room, and Kirari was forced to endure the slime’s tickle treatment for several more minutes.
Her feet, already softened and slippery from the lotion, were now impossibly sensitive. The tentacles glided over every inch of her soles. A sickening, wet kuchu-kuchu sound echoed as Kirari’s arches were fully exposed and attacked.
Then, as if deciding on a new tactic, the tentacles pulled her toes back, stretching the skin taut and exposing every wrinkle. The hollows under her toes and the entire surface of her soles were now fully visible. The tentacles relentlessly scribbled across Kirari’s most hidden tickle spots, determined to push her to the absolute limit of laughter.
”Cum—Uuuuuuuuuuuugh!?”
Kirari exploded into a second uncontrollable laugh-attack almost immediately, and she would be forced into wave after wave of hysterical giggling for a long time to come.
—
Summary:
In a surreal dungeon spa, the aristocratic adventurer Kirari finds herself the captive subject of a monstrous, semi-translucent slime that administers an involuntary, highly erotic ‘treatment.’ Overwhelmed by shame and agonizing pleasure from the tentacles touching her most intimate places—a sensation secretly calibrated to the hands of her crush—Kirari loses all self-control and is driven to a shattering climax. Meanwhile, in the men’s bath, her teammate Fujiki is ambushed by a similar lymphatic massage slime, his shocked cry echoing the bizarre, sexualized terror of the dungeon’s healing methods.
—
Character Insight:
Kirari’s internal struggle highlights the core theme of her character: a noble woman whose extreme modesty and high social standing are directly challenged and ultimately shattered by overwhelming physical forces. The slime’s treatment, which bypasses her mental defenses and targets her suppressed desires by mimicking the touch of Hirose, reveals that her control is superficial, and her hidden needs are now being brutally, yet ecstatically, released.
—
Behind the Scene:
This scene is a key moment for the Beauty Gift storyline, demonstrating the full, extreme range of the dungeon’s ‘treatment’ protocols. The focus is on the involuntary nature of the tentacle-based massage and the powerful, sexualized Effect that Ecoa previously applied, which is designed to condition the user’s body to associate pleasure with the treatment provider, regardless of how humiliating the experience is. The contrast with the men’s bath provides a moment of dark comic relief and parallel humiliation.
—
T/L:
1 ‘Heeh!? Na, nani kore!?’ is a high-pitched, surprised gasp, often used by female characters in anime/manga to express shock or fear. I rendered it as ‘Heeh?! What in the world is this!?’ for a more natural-sounding, yet still startled, exclamation. ↩
Notes:
• Rio – A member of the Beauty Committee who previously worked with Hirose and already holds a negative opinion of him, seeing him as a ‘playboy.’ She has short dark hair and is dressed neatly in her school uniform. She is Aoi’s friend and is currently determined to ‘rescue’ her.
• Hongo – A loyal subordinate of Kirari Amano, a mature, muscular man with short black hair and a beard, wearing heavy, functional armor. He prioritizes his leader’s safety and well-being.
• Fujiki – Another subordinate of Kirari, a young man with spiky brown hair and an average build, wearing light armor. He is prone to mistakes under pressure, such as nearly drowning Kirari with an over-powered blast of water.
• Ecoa – The Guardian of the Dungeon Core, a beautiful entity with long blonde hair, slit eyes, and distinctive pointed ears reminiscent of an elf. She initially appears in black ceremonial robes, which instantly transform into a revealing, classic black maid uniform. Her existence was previously undetectable by ‘Appraisal’ Gifts. Her sole purpose is to serve and support the Dungeon Master, Hirose.
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Edited by Kanaa-senpai.
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