Vol 3 Chapter 18: The Underground, the Fairies, and the Huge Breasts ☆

“──Ugh.”

A fierce impact struck my back, followed by the soft sensation of a cushion against my face. The combination forced a groan out of me.

“Sh-Shin! Are you okay!?”

Hearing my pained groan, Lena, who was pressed tightly against me, looked up with worry etched across her face.

My joints ached, likely from the fall, but it wasn’t anything serious.

The height we fell from would have been life-threatening for an ordinary person. Even seasoned adventurers would have struggled to avoid injury.

The only reason we escaped unharmed was thanks to the enhancement magic I cast on both of us during the fall. That had likely saved us from greater harm.

Judging by the hard sensation on my back, I had landed on stone. My surroundings were pitch black; I couldn’t see a thing.

“Lena, 《Light》.”

To get a sense of the situation, Lena quickly activated a magic light. Soft, glowing orbs floated around us, illuminating the area. The first thing that caught my eye was…

Munyuu♡

…a cleavage pressing against my mouth. Lena’s ample chest was right there.

The moment I became aware of it, heat rushed to my head. Soft, plush, and soothing—like a fluffy pillow that could ease all the fatigue of battle. Part of me wanted to stay like this forever, but I quickly shook off the thought.

“S-sorry! I’ll move right away… Are you okay?”

“──Mmph… Y-yeah, I’m fine. More importantly, are you okay, Lena?”

Her soft body moved away, leaving me with a faint sense of regret. Lena sat beside me, her legs folded neatly under her. Since she wasn’t mindful of her robe, her enticing legs were visible.

I glanced at her, concerned she might be hurt despite her reassurances. Suppressing my embarrassment, I gave her a careful once-over.

Her long black hair shimmered like the night sky, and her white robe appeared undamaged. It seemed she was telling the truth—she really was unharmed.

“──Shin, I’m sorry. It’s my fault we fell… I got so excited and hugged you, and then you shielded me…”

Lena’s voice was soft, her head lowered in guilt.

Admittedly, I had been a bit careless, but so had everyone else. However, for someone as kind and sensitive as Lena, simple words of comfort probably wouldn’t ease her guilt.

“…Lena.”

I reached out gently, placing a hand on her beautiful black hair.

“Ah…!”

Her expression shifted rapidly, as if she was trying to suppress surprise and shy happiness. Her eyes darted around nervously.

“…It’s fine. Really.”

Though it felt a bit embarrassing and theatrical, I held her gaze. Lena closed her eyes briefly, as if collecting herself. Her long lashes trembled slightly.

“Okay…”

When she reopened her eyes, her usual warmth was there, but now her ruby-red gaze carried a hopeful, forward-looking glimmer.

“…Thank you, Shin.”

I was certain it wasn’t just my imagination.

“So… where are we?”

“…Good question.”

Now that we had calmed down, we examined our surroundings.

We found ourselves in a white room.

The entire area was lined with immaculate white stones, exuding an aura more akin to a temple than a dungeon. Everything was spotless, pure white—the floors, the walls, the stone pillars, and what appeared to be… an altar?

Though clearly shaped by human hands, the room had an organic, almost naturally-occurring quality.

Looking around, we found no visible doors or openings leading outside. When we glanced upward, the point we must have fallen from was too high to see.

In short, we were trapped.

“What is this place…? There’s a strong magical presence.”

“Yeah, even I can sense it a little.”

As someone adept at magic, Lena was particularly sensitive to the magical energy saturating the air. While certain areas in dungeons could feel similar, this room had a unique atmosphere.

“‘Pa-mu-muu?’”

“‘Ipapayu…?’”

Suddenly, unfamiliar voices—or perhaps a language—rang in my ears… no, in my head.

“Who’s there!?”

Assuming the presence of an enemy, I shielded Lena and raised my magical sword defensively.

“‘Hipo!’”

“‘Ryuku…’”

The voices continued. Although the sounds resembled chirps, their meaning was indecipherable. I tightened my grip, remaining on high alert.

“Shin, wait! These aren’t enemies…!”

“What!?”

Lena’s firm words stopped me in my tracks. She spoke with certainty.

“It’s okay. Trust me, okay?”

Her voice seemed directed not only at me but also at the unseen entities in the room.

“Do you know what’s here?”

“Yes… I think so. Shin, lower your sword, please? It’s fine now! We don’t mean you any harm. So please… show yourselves?”

Perhaps responding to her plea…

“‘Puniu…’”

“‘Ryuzu…?’”

Two palm-sized figures emerged.

They wore pointy hats perched atop their heads and floated without flapping their translucent wings. Their outfits resembled tiny matching sets of underwear—one green, the other blue. Despite the color difference, their faces were identical, making it impossible to distinguish between them otherwise.

Their chests were slightly rounded—likely female.

Could these be…

“…Fairies, perhaps?”

“I’ve never seen one before, but I think so.”

Fairies were said to occasionally inhabit places saturated with magic. I’d heard of their existence, but they were exceedingly rare. Why were they here? And why had they responded to Lena’s call?

“…Hello.”

“‘Punyuu…’”

“‘Poi!’”

Lena greeted them with a soft, childlike tone, prompting a clear response from the two fairies.

“Lena, can you communicate with them?”

“Not perfectly, but… somehow, yes.”

The fact that she could even attempt to communicate with fairies was astonishing.

“‘Lupo!’”

“‘Puniin?’”

The strange sounds they made didn’t resemble any animal or language. Yet Lena seemed to grasp their meaning.

“Really!? But… how?”

Lena’s reaction was a mix of joy and surprise. What was going on?

“What are they saying?”

“Um… they said they’ll help us get out of here…”

An offer too good to refuse. If Lena’s instincts were right, these fairies might genuinely be benevolent.

But why did that shock her so much?

“U-Um… They said they want to see our love in exchange…”

Love?

As I frowned at the strange word, the two fairies drew closer to Lena. And then—

“──Kyaa!”

Poyon♡

They buried themselves in Lena’s ample chest.

“‘Nipp!’”
“‘Luuu!’”

Poyo♡ Poyon♡

“H-Hey, that tickles!”

Lena shyly told them off, though her tone carried an air of resignation. Judging by her reaction, it didn’t seem like she felt uncomfortable—more like she was being playfully teased by small children.

One fairy sprawled out face-down on her chest as if mistaking it for a bed, while the other tapped at her soft skin with tiny hands, as if it were a drum.

“‘Nipp♪ Nipp♪’”
“‘Luluu♪ Luluu♪’”

“Come on, don’t do that so much, okay?”

Funyun♡

I reminded myself—they weren’t humans but fairies. Likely female, judging by their delicate forms. They were behaving more like playful animals than anything else.

And yet. And yet—I was jealous.

These small creatures sprawled out across Lena’s voluptuous chest, freely enjoying the soft skin without a hint of hesitation.

Meanwhile, I stood there, helplessly biting my lip. Suddenly, the two fairies turned their gaze toward me.

“‘Nipupuu…♪’”

…Huh? Did they just smirk?

“Ufufu. No mischief now, okay?”

Lena gently scolded them, but the fairies continued to enjoy her chest, their playful expressions unchanged.

Unfair.

Unfair. Unfair.

“L-Lena, um, uh—oh! W-We should focus on finding a way out of here!”

Desperate to find an excuse, I tried to interrupt their actions, but that only earned me a third mischievous smirk from the fairies.

“Huh? Oh… Fufu, hey, Shin. Are you… jealous of the fairies?”

“N-No! Not at all!”

Lena’s teasing gaze locked onto me, her expression eerily reminiscent of Nina’s whenever she teased me.

“Reeally? Not jealous at all? Heehee… I see~♡”

Her soft, yet somehow sadistic smile sent a shiver down my spine.

“‘Pupuluu♪’”
“‘Lupluu♪’”

Meanwhile, the fairies continued to gleefully play with her chest.

Tapun♡ Purun♡

The way her chest trembled under their playful taps almost seemed like a deliberate provocation.

“Hey, Shin… Don’t you want to do something like that? No, something even more amazing than the fairies~♡”

Her seductive gaze and words were the same as always—a temptation that had shaken my resolve countless times before.

“A-Auu…”

“Come on, be honest. Let’s show the fairies our love, Shin. Don’t worry, it’s for the sake of escaping~♡ It’s not like you’d lose to a pair of little fairies, right?♡ This is all part of conquering the dungeon…~♡”

Her sultry tone and playful words chipped away at my resistance, leaving me struggling to maintain my composure.

A Voice as Sweet and Melting as Honey

“‘Nipuu♪’”

“‘Luluu♪’”

The fairies giggled in delight as they moved, as if following Lena’s will.

“Fufu♡”

With their tiny hands, they gripped the edges of Lena’s robe and began pulling it aside, tugging it with their whole bodies until it opened.

Revealed beneath the stark white robe was a pitch-black dress, contrasting sharply with her usual attire.

It was adorned with intricate embroidery, frills, and small ribbons, giving it a cute and elegant appearance. Yet, it was a style of clothing that Lena, in the past, would never have chosen.

Unlike her usual loose-fitting robes that concealed her figure, this dress clung tightly to her body, accentuating every curve and contour. My eyes couldn’t look away.

The hem was scandalously short, revealing more than half of her thighs. From her neck to her chest, a triangular cutout exposed her upper cleavage, with a deep valley visible all the way down, her breasts pressing together provocatively.

The dress was both adorable and tantalizing, crossing into an almost indecent realm of allure.

“You’re staring so much… You’ve seen this plenty of times already, and yet you still haven’t gotten used to it? Shin, you’re just too cute♡”

Lena’s cheeks were faintly tinged with red, an enticing mix of embarrassment and excitement. Judging by the heat in my own face, though, I was probably even redder.

“See? Look how big and soft they are♡ Hey──”

Her hands moved to cup her chest, lifting it from beneath.

No. Stop. Don’t say it.

If she says something──

“──Come to my breasts, Shin♡”

──I’ll lose.

“L-Lenaaahh♡”

Funyun♡ Mugyu♡

Drawn like a moth to a flame, I plunged into the soft, inviting space she offered.

“Lena♡ Lena♡ Lenaaahh♡”

I pressed my face into her cleavage, nuzzling deeper into the addictive warmth as if seeking a forbidden drug.

“Ahaha♡ You’re so cute when you cling to me like that♡ Even in a dungeon, you just can’t hold back, huh?♡ That’s okay♡ My breasts are always here for you♡”

Lena laughed, her voice dripping with the kind of dark, indulgent pleasure that could ensnare any man—me included.

From either side, the fairies joined in:

“‘Lupluu♪’”

“‘Fupau♪’”

Their laughter sounded like teasing whispers tickling my ears, mocking the pitiful sight of a grown man acting so helplessly dependent.

“Even the fairies think you’re adorable, Shin♡ Clinging to my breasts like that and getting praised for it—good for you♡”

She pulled my head closer with both hands, pressing me deeper into her cleavage. Her teasing tone only heightened the tension in my chest, sending shivers of guilt and exhilaration through my body.

“Mm, mmnh…”

“There, there… You’re such a good boy for feeling so good♡ And look, even here, you’re doing such a great job getting nice and big♡”

Her words were a mixture of mockery and affection, eroding the last fragments of my pride as I surrendered to the moment.

A hand gently touched my penis through my pants, tracing it as if to awaken its desire.

It swells painfully, threatening to burst, and convulses repeatedly in search of pleasure.

“Yes yes. Honestly, Shin, that’s really nice ♡ Then… I need to give you a proper reward ♡”

Whispering words of compassion, she lasciviously and skillfully unbuttoned my shirt with her fingertips, freeing my erection with expert hands.

The dungeon’s slightly chilly air contrasted sharply with the warmth of Lena’s fingertips. Though she wasn’t doing anything particularly intense, a tingling sensation coursed through my entire body, leaving me in a state of bliss.

“Mm… Ahh… Kuu…”

Even though they weren’t human, the presence of the two fairies watching brought an unbearable sense of embarrassment. I tried to resist, but a helpless gasp escaped from my lips despite my efforts to hold it in.

“Oh my, are you trying to hold back? That won’t do♡ Show me and the fairies your adorable voice, Shin♡”

“‘Luluu♪’”
“‘Topuruu♪’”

“Ahh… N-no, that’s not… I…”

“Aww, are you really going to hold it in?♡ Well, if that’s the case… I guess I have no choice~♡”

I mumbled a strained response, and although Lena seemed a little displeased with my resistance, she appeared to accept it. Thank goodness. If she pushed any further, I would──

“──Then I’ll give you a little push♡ Here we go… shiko-shiko~♡”

Shu-shu. Shururu.

“Ahhhhnnn! S-stop… This is too muchhh! Nnghh! Ahhhhhh!”

Her fingertips enveloped my penis, gently stroking up and down. That alone dissolved my feeble resistance, eliciting a particularly loud moan as my body twitched uncontrollably.

“No way♡ I’m not stopping♡ You’re just pretending to be strong, but I know you really want to feel good, Shin♡ Yes, I understand everything about you♡ …Look, cuddle into my breasts while you stroke yourself♡ You love this, don’t you♡”

Unabashedly excited, Lena quickened her verbal assault and her fingers sped up.

I couldn’t help but let out pitiful cries of pleasure, overwhelmed by the sensation. Lena’s seductive demeanor surpassed mere allure, resembling that of a succubus.

Moreover, Lena wasn’t the only one present.

Lena’s fingertips gently moved up and down, wrapping around my penis. That slight motion was enough to dissolve my feeble resistance, and a particularly loud moan escaped me as my body trembled violently.

“No way♡ I won’t stop♡ You’re just acting tough, Shin, but I know you really want to feel good♡ Yes, I see everything♡ Now, nestle into my breasts while you stroke yourself♡ You love this, don’t you♡”

Lena didn’t try to hide her excitement as she accelerated the movements of her fingertips.

My pitiful cries filled the air, overwhelmed by pleasure, making me seem almost succubus-like in my abandon.

Moreover, it wasn’t just Lena here.

“‘Shiko… ♡ Shiko-shiko♡’” “‘Nyuppuu♡’”

The fairies on either side began to mimic the sounds and Lena’s words, whispering them as if teasing me.

“We did it. The fairies are having fun too♡ Thanks to Shin making such cute noises and enjoying himself♡ Hehe──Fairies? Why don’t you touch Shin’s ears too? Let’s make this boy feel even better together♡”

Without stopping her fingers or ceasing to press me into her chest, Lena called out, and like obedient pets, the two little creatures approached my ears.

Sa wa. Sa wa. Ka ri. Ka ri.

“Mmm… fahhh…”

Their tiny palms traced the grooves of my ears, occasionally rubbing hard.

The touch was finer than any human could manage. Yet, this frustratingly gentle touch tickled my sensitive ears more intensely, sending a strange, delightful shiver down my spine.

“To think you’d feel this much from such tiny fairy hands♡ Haha, it’s funny♡ …I can’t be outdone. Here, let me grip your penis tightly♡”

“Nnnngh! No, stop…”

The pleasure flowing from my ears intensified by her caresses. A mix of ecstasy and embarrassment spilled out in my voice, making it difficult to stand, and I collapsed against Lena.

Of course,

Mugyuuu♡

My head was pushed even more firmly into her ample cushion.

“Giggle♡ What’s the matter? Do you want to indulge in my breasts even more? You’re such a baby♡”

Ah… I’m done for.

Nina or Alice would probably mock me.

Fana-san or Kaguya-san would take this opportunity to tease me relentlessly.

Funyun♡ Shu shu♡

But Lena… she forgives everything.

“Here, nuzzle♡ Hug tight, there there♡ Let’s make your head all mushy with my breasts, and make your penis even happier♡”

Even me, a pitiful sight.

Even if I expose an adventurer’s disgrace.