Harem Startup : The Demon Billionaire is on Vacation

Chapter 110 – A Demon in The Heart

Selena pulled her robe tighter around her wings, watching her breath mist out before her. ”Not Limbo. But close enough.”

Lux turned to her. ”Mind explaining to me what exactly this is? Like who the mastermind might be? Or can I just assume it’s Radiant Vow boys?”

Selena didn’t answer immediately. She walked forward a few steps, the snow crunching gently underfoot—except it didn’t crunch. It dissolved. Holy-coded, reality-bypassing snow.

”Maybe,” she finally said. ”The Vow... Some of them are just zealots. Fanatics with robes and pride. But some?” She turned to him. ”Some are strong. Strong enough to bend this kind of space. Same class as Archangels. Or close.”

Lux nodded slowly. ”So basically a mix of lunatics and living nukes. Cute.”

He looked back at the temple. Studying the runes. The architecture. The complete lack of exit.

”So what now?” he asked. ”Can we spell out of here? Snap our fingers? Draw a circle? Whisper some forgotten name to the moon?”

Selena shook her head once. ”No external casting works in isolation layers like this. Especially not divine ones. The only way out is to kill the caster maintaining it.”

Lux sighed. Deep. Exaggerated.

”So the usual,” he muttered. ”Find the core. Smash the boss. Murder first, ask questions if anyone’s left.”

Then he reached up.

In one smooth motion, he undid the fastenings on his robe. The celestial cloak slid off his shoulders and folded into his hand like mist before vanishing into his inventory with a soft pulse.

The air shifted.

Lux exhaled once, cracking his neck slowly.

”Guess I’ll be back to myself then.”

[Battle form]

[Class Type: Hybrid Greed/Lust Variant]

[Demonic Aura Enabled ]

Shadow coiled around his body. Horns curled upward from his temples—sleek, obsidian. His eyes burned brighter, faintly metallic.

A tail uncoiled lazily behind him, like a snake made of silk and temptation. His suit darkened, hardening into sleek obsidian armor etched with faint, glowing script.

Wings stretched again—now larger.

He smiled. Not charming. Not sweet.

Predatory.

”Ahhh,” he exhaled, voice lower now, laced with infernal melody. ”I really prefer it this way. I’m truly a demon in the heart.”

Selena stared at him.

Not just stared. Looked. Looked.

Because this was the version of Lux that always made her think unholy things. The one with too much gravity in his eyes. The one whose presence didn’t just enter a room—it unbalanced it.

She blinked quickly and looked away again, focusing very intently on the temple door.

Her cheeks were still flushed, her thoughts still scrambled. Her wings twitched.

”Stop being hot,” she muttered under her breath.

Lux tilted his head. ”What was that?” he asked, way too innocently as he stepped closer—just enough that his tail brushed the snow behind her.

”Nothing,” she snapped, practically stabbing the ground with her heel as she marched ahead.

But then—

She stopped.

Her breathing steadied.

The air shifted again.

Without a word, Selena closed her eyes. Her silhouette shimmered, glowing softly like moonlight caught on still water. The white of her cloak flared out as it was consumed by radiant silver—her battle form unfolding like a divine bloom.

A crescent-shaped halo ignited above her head, not a full circle like most Celestials. Hers was a sliver of light—subtle but impossibly sharp, like a crescent blade forged from starlight.

Her robes condensed into glimmering armor—crafted from woven moonlight and celestial silk. Sleek and regal, it wrapped around her like a second skin. Layered pauldrons curved like polished silver petals. Her breastplate bore the sigil of the Moon Goddess... a blooming white lotus etched over a quiet sea.

Her wings shone even brighter now. What had been graceful became blinding. Each feather pulsed like a shard of divine serenity, humming with lunar resonance.

Lux paused, watching with open appreciation.

”You really know how to outshine a demon’s dramatic reveal, huh,” he said, amused.

Selena didn’t answer. Her voice was different now—calm, confident, cool like frost over still water.

”You’re not the only one with a second skin.”

She stepped forward, silver heels leaving no prints in the snow.

And beside her—Lux.

They walked together now. Slowly. Like two weapons drawn by different gods—but aimed at the same enemy.

The temple loomed before them, door closed but not sealed. It stood there like a challenge, like it had been waiting.

Lux reached out, trailing one clawed finger along a frozen pillar.

It hissed softly.

”Y’know,” Lux said, casually, ”they really could’ve sent a letter instead. I mean, there’s this thing called diplomacy.”

”They think you’re a threat,” Selena replied, her voice edged with dry amusement. ”Especially after you consumed the Limitbreaker Core.”

Lux shrugged, wings flicking slightly behind him like it was nothing. ”Yeah, well... they don’t like it when a demon gets better stats than their sacred pets. Jealousy’s a hell of a drug.”

Selena just sighed like she was used to this level of cosmic nonsense. She reached behind her, and in a shimmer of moonlight, her sword materialized—long and curved, its blade glowing softly like moonlit ripples over still water.

The air pulsed as the sword locked into her hand, light arcing along the edges. The hilt shimmered with starlit inscriptions, and the faint ringing it made sounded like the echo of wind over distant hills.

”I’ll follow your lead,” she said, her tone shifting—serious now. Focused.

Lux turned toward the door.

”Then let’s go kill ourselves a celestial warlock.”

He didn’t say it for drama.

He said it like someone reading off an invoice.

Just another job.

Inside the temple?

Quiet.

But not silent.

The kind of stillness that made your ears ring. Holy inscriptions glowed along the walls like veins in ancient marble. The cold was sharper now. More... sterile.

And in the center?

A pulsing glyph.

Suspended midair. Wrapped in glowing threads.

A trap. A beacon. A core.

And standing beneath it?

A figure in blinding white robes.

Lux’s eyes narrowed. ”You’ve got to be kidding me.”

The figure stepped forward, hood sliding down.