"Shion, Kaen… you must have witnessed that world's beauty with your own eyes, right?"
"Mm."
The two nodded in unison, their gazes steady but burning with excitement.
"The task of invading that world will fall to you both," Yami said calmly. "So, be fully prepared."
"!!!"
Their eyes gleamed with determination, hearts pounding with anticipation.
"We will definitely fulfill the mission!" they answered together, almost in perfect sync.
Yami's purpose in bringing them here was simple—to let them personally experience the marvel of another world.
A world where demons lurked under the moonlight and the air itself carried the scent of blood and sakura.
"What's the use of this blue spider lily?"
Yami wondered aloud, taking out the still-unbloomed rhizome from his shadow space. It was the very same one he'd found growing near Nezuko Kamado's house—rare, mysterious, and legendary.
This was the flower Muzan Kibutsuji had dreamed of for centuries—the mythical Blue Spider Lily said to hold the secret of perfect immortality.
And now, it was in Yami's hands.
To make the flower bloom, one normally needed direct sunlight—something the world of demons could never offer.
But Yami Tsukishiro had other ideas.
"What if…" he murmured, "I catalyze it with starlight instead?"
He extended his hand. A faint glow rippled from his palm, cosmic energy flowing like liquid silver into the flower's root.
The withered rhizome quivered—then pulsed with life.
And in that instant, the system chimed.
[Ding]
You have obtained the D-Level Meme [Evil Demon Ancestor] (Incomplete).
Meme completion detected.
You have acquired the C-Level Meme [Evil Demon Ancestor].
"..."
Even Yami had to blink in disbelief.
He hadn't expected that to work.
Today had been a string of absurd surprises—first unlocking the prototype of an Evil Ghost, and now, completing a meme evolution.
[Meme]: Evil Demon Ancestor
[Rank]: C-Level
[Abilities]:
Immortal Rebirth — The body cannot die; all physical injuries regenerate endlessly.
Demon Blood Art — Those who come into contact with the user's corrupted blood gain the potential to transform into Evil Demons.
Yami studied it carefully.
As expected, this meme was clearly tailored to the Evil Demon Prototype—more like a unique exclusive evolution than a general ability.
"Too bad…" he muttered, smirking. "If I had more magic stones, I'd hatch one just to see it in action."
The system's voice echoed once again:
The World Gate to Demon Slayer: Kimetsu no Yaiba has opened.
Resolution rate for the Jackie Chan World increased to 5%.
"This world…" Yami looked toward the shimmering rift of light, the threshold between worlds flickering before him. "Let's give it a little more time."
He didn't intend to step through just yet.
World Gates like this didn't fade so easily.
Besides, back in reality… who knew what kind of changes had unfolded while he was gone?
He smiled faintly, eyes reflecting countless starlit universes.
"Let's find out."
--
"Yami-kun!"
The moment he returned to reality, a blur of blonde charged straight into his arms.
Eriri Spencer Sawamura.
Her eyes sparkled like a puppy reunited with its master.
"Whoa—what's got you so excited?" Yami asked, catching her just in time.
"No reason!" Eriri grinned cheekily, hands still clinging to his sleeves. "I just… missed you, that's all. Ehehe~"
As she giggled, she turned her head slightly—shooting a smug little glance toward the girl standing a few steps behind.
Hmph. Did you see that, Utaha? Look how close I am to Yami-kun. Better luck next time.
Kasumigaoka Utaha raised one elegant eyebrow. A dry smile played on her lips.
This golden-haired sore loser… She just barely recovered, and already she's flaunting?
Well.
Utaha had been very considerate yesterday.
So she didn't mind not being polite today.
With the grace of a stage actress, Utaha stepped forward, leaned in slightly, and let her sultry voice glide out:
"Yami-kun… is your heart feeling full and warm now?"
"…Yeah. Very good," Yami replied without hesitation, though he could already feel the air between them thickening like a battlefield.
The war has begun.
"And how does it taste?" Utaha asked with a calm smile.
Yami blinked. "Excellent taste. Overflowing with… milky aroma."
"???"
Eriri froze.
Her eyes darted downward—toward her completely flat chest.
Then she slowly looked back up, face twitching.
W-What does he mean by "overflowing"!?
Before she could even find words, Utaha let out a languid sigh and stretched her arms overhead.
The motion pulled her short-sleeved shirt just enough to showcase her smooth waist and very unfair proportions. Her tight hotpants certainly didn't help.
She tilted her head, as if reminiscing.
"Yami-kun~ Didn't we have such a good time a few days ago?" she said innocently. "We even had to slow down at that time to change our messed up clothes at the amusement park… you really didn't pity me at all. You must be exhausted now too. Come, come—rest on my lap for a while."
"Hmm… I'm not feeling tired," Yami replied, rubbing his chin. "But the knee pillow offer… I accept."
He didn't hesitate one bit as he laid his head down onto that soft, sweet-scented lap.
"???"
Eriri stood in place as if she'd been struck by lightning.
Her entire brain short-circuited.
Fun… before me?
Make-out session… at the amusement park…?
"What are you talking about!?" Eriri exploded, jabbing a finger toward Utaha. "Yami-kun was obviously with me the night before yesterday! Didn't you see how I looked the next morning?!"
Her cheeks puffed as she stood her ground, trying to prove—beyond a shadow of a doubt—that she was the rightful first winner.
But Utaha simply smiled, far too composed, as she leaned closer to Yami and let her fingers lightly trail across his chest.
"Yami-kun," she murmured, voice sweet and poisonous. "Don't you think this clueless golden retriever deserves to be educated about reality?"
Golden retriever—?!
Eriri's eye twitched.
"What do you mean, 'educated'!?" she shouted, fists clenched. "What 'truth' are you even talking about?!"
A very, very bad feeling was crawling up her spine.
She could sense it—that a certain forbidden truth was about to be exposed.
Sitting quietly on the couch with a cup of tea, Sayuri Spencer—Eriri's ever-calm mother—glanced at the drama unfolding in front of her.
She let out a soft sigh.
Ahh… Our Eriri's as cute as ever. But she really is such a silly girl sometimes.
Do young people nowadays really compete over things like… order of nights?
She felt like she was aging two decades just watching them.
Yami cleared his throat with a light cough, deciding to cut through the rising tension.
"Eriri… To be honest… Utaha did come over the night before you."
"…"
"And yesterday," he added, "we did go to the amusement park together. That's probably what she meant."
"???"
Eriri's mind blanked.
She stared at Yami, eyes wide, lips parted in disbelief.
Coming from Yami Tsukishiro himself, she had no choice but to accept it as truth.
Her whole body stiffened as her finger slowly turned to point at Utaha.
"You… you… YOU… You're so despicable! You actually made moves behind my back! That's cheating!"
Utaha, in contrast, simply let out a breathless chuckle.
"Hehe."
"Am I mean?" Utaha narrowed her eyes. "If I hadn't acted first, you would've jumped him yesterday, right?"
"Ugh…"
Eriri faltered.
She opened her mouth—then shut it again.
Because when she really thought about it…
"…Okay, fair point."
Utaha didn't stop there.
"In any case," she purred, "Yami-kun clearly likes women with big, soft hearts."
As she said it, she leaned forward ever so slightly—pressing her ample chest gently against Yami's cheek in full view.
"Y-Y-You…!!"
Eriri could barely breathe.
Her entire face turned crimson, like a volcano about to erupt.
Steam practically shot out of her ears.
Sayuri, still quietly seated on the couch with her tea, sighed in her heart.
Eriri really is adorable.
Cute and full of energy… but when it comes to her figure, she's helpless.
She looked down at her own body.
Sigh. Not much help there either.
Amid the tension, Yami reached out and pulled Eriri gently into his arms. Without a word, he brushed his nose against her soft blonde hair and whispered:
"Hey… it's okay. You're really cute. I'd never dislike you."
"Uuu…"
Eriri went stiff.
She turned into a human tomato. Her arms hovered awkwardly in the air like she forgot how to move them.
That sensation—of his breath brushing her hair, of his lips so close—brought back memories.
And that one memory in particular—
The licking…
Wahh!
Eriri pressed her face hard into his chest, too flustered to breathe.
But deep inside… she believed him.
If Yami said he didn't dislike her, then it had to be true.
"Tsk."
Utaha leaned forward again, eyes narrowing as she watched Yami dote on Eriri. Her voice dropped to a low, dangerous whisper.
"Mr. Tsukishiro… if you keep pampering her like this, someone's going to get jealous."
"Ah—"
Sayuri suddenly stood up with a polite smile and an awkward cough.
"I, uh, think I'll go back to my room and rest for a bit…"
Clearly glowing with "third-wheel energy," she shuffled away like a glimmering light bulb with legs.
Her eyes darted back and forth like a civilian trying to escape a battlefield.
"WAAHH!!"
Eriri bolted up.
She had completely forgotten Sayuri was still in the room!
Her entire soul almost exploded.
She immediately buried her burning face deep into Yami's shirt, muttering curses at the universe and her life.
The atmosphere froze—awkward and heavy—until—
"Jingle bell!"
Yami's phone buzzed loudly, slicing through the tension like a katana through fog.
On the screen flashed a name he hadn't expected: Shizuka Hiratsuka.
"Sensei?" he blinked. "Why's she calling all of a sudden?"
He answered.
"Hello?"
"Tsk. Didn't you say you'd treat me to drinks? I'm here."
"…Now?"
"Yup. Right outside your door. By the way—your villa's way too fancy."
Yami extended his shadow perception to the front gate. Sure enough, a woman in her early 30s stood there, in heels, coat fluttering in the breeze, a six-pack of beer in one hand.
"Please come in," Yami said.
A dark tendril of shadow reached out like an obedient butler and opened the door automatically.
"Whoa."
Hiratsuka blinked. "Now that's an entrance. First time I've seen an automatic door that moves like a horror movie."
She stepped inside.
Moments later, she spotted the table already set with sake, snacks, and grilled skewers.
"Well, I'll give you this—you came prepared."
Then her eyes wandered further…
"…Wait, them?"
She hadn't expected company.
But there they were.
Three women. One household. All staring at her.
Yami gestured casually toward each one.
"The tenant. The girlfriend. And… the girlfriend's mom."
"...…"
Hiratsuka Shizuka's brain bluescreened.
"??????????"
But none of that mattered for long.
Because as the drinks kept flowing… the walls came down.
And Hiratsuka Shizuka?
She was already several bottles in.
"Yami Tsukishiro!" she slurred, slapping her cup onto the table. "I thought you were out saving the world or something! But nooo—you dropped out of school and started a damn harem!?"
Her voice echoed through the villa like thunder.
There he was. Sitting between two girls, arm around both, and even the mother-in-law candidate looked weirdly unbothered.
"What era is this? Since when did this kind of thing become normal!?"
She blinked. Then blinked again.
Did I time travel?
Yami took a relaxed sip and smiled.
"Well, you know… being too perfect is a flaw too."
It was only half a joke.
Honestly, he kind of liked people like Shizuka.
She was blunt, straightforward, no masks—just honesty and wine.
Hiratsuka narrowed her eyes, her cheeks already flushed.
There was something too suspicious about that calm demeanor.
"Tsukishiro… can your body even handle all of this?"
The tone was sultry.
The question… completely unfiltered.
Yami raised an eyebrow with interest.
"Are you doubting me? I can handle as much as needed. As long as they're beautiful, I accept them all."
"AHEM—!!"
Sayuri, who had been quietly sipping her sake on the side, choked violently.
She nearly spilled her glass.
Was this really okay to say out loud!? In front of everyone?!
Eriri turned away, her face bright red.
Utaha covered her mouth and looked at the floor.
It was hard to tell if she was laughing or processing trauma.
Hiratsuka, meanwhile, narrowed her gaze further.
From a scientific perspective, there was no way a man could stay that strong nonstop. She'd read enough studies… and seen enough life.
Even if she wasn't exactly… experienced herself.
Even if she hadn't—
No. Not the point.
But just as she was about to comment again—
Utaha caught something in his earlier statement.
Her eyes sharpened like a hawk catching prey.
"…Yami Tsukishiro. What did you mean by 'accepting everyone'?"
Yami blinked innocently. "Hmm? Well… if beautiful girls like me as much as you two do, I can't exactly reject them coldly, right?"
He shrugged, totally unfazed.
"Like Chisato… or Takina. They've been through a lot with me. There's real history there."
"Of course," he added smoothly, arms tightening around both girls' waists, "I'd never keep secrets. I'll always try to get your approval first."
His voice lowered to a gentle whisper.
"…You'd agree, right?"
"If it's Yami-kun…"
Eriri's flustered pout instantly melted.
The cloud over her head lifted into sunlight.
Utaha, however, didn't give in immediately.
She stared into his eyes, searching for cracks.
But in the end…
She sighed like a deflated balloon.
"Ugh… Even if we said no, would it really matter?"
There was a trace of resentment in her voice… but also helplessness.
"Haha. Of course it matters."
Yami leaned in closer.
"If there's someone you truly can't accept—or someone who's toxic to you both—I'd reconsider. After all, you two come first. I'd never ignore your feelings."
Those words made Utaha's tense shoulders finally relax.
She leaned back and rested a hand on her forehead.
"I swear… I really can't win against you."
Because deep down…
They both knew another reason they didn't really object.
A reason that couldn't be said aloud.
Yami Tsukishiro… was overwhelmingly strong. And when someone like that goes all out…
Utaha was honestly afraid she'd just… die.
"Still," she huffed, trying to salvage her pride, "I am putting a cap on it. This is a limited edition harem."
"I'll listen to you," Yami said, smiling without hesitation.
"…"
Hiratsuka could only stare in mute shock.
Then—gulp.
She downed her entire glass in one go.
The wine burned its way down her throat like liquid fire. The bitterness reminded her that this wasn't some dream.
This was happening.
This wasn't a romcom she was reading.
This was real.
A drought victim like her… surrounded by people drowning in romance.
Unfair.
So unfair.
She glanced sideways at Sayuri, who was also silently nursing a glass of wine.
The look on her face said everything:
"Hey, your daughter is literally getting PUA'd in front of us. Aren't you going to say something?"
Sayuri just gave her a tired smile.
"…Sorry. Not my daughter."
Then after a beat:
"…Even if she were, there's really nothing I could do."
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