Reincarnation of Nikola Tesla in another world-Chapter 27: prisoner with benfits

Kim walked through the massive halls, his eyes drifting over the walls, floors, and endless doors as he followed Vaqihr and the butler.

This wasn't a tower.

A tower was supposed to be a single structure, maybe a few spiraling floors with a grand library at the top. This place? It was a labyrinth disguised as a castle.

The corridors stretched endlessly, twisting and branching into different wings. Some doors looked brand new, while others were ancient, their wood cracked with age. But the worst part?

No signs. No numbers. Nothing.

There was absolutely no way to tell where you were going unless you already knew the layout.

Kim's sharp eyes caught onto something else—shortcuts.

A bookshelf that, when pressed on the right spot, turned into a hidden staircase. A section of the floor that flickered for just a moment before vanishing, revealing a pathway underneath. A seemingly solid wall that Alphonse casually stepped through without hesitation, reappearing on the other side.

Kim glanced at the butler.

How is this old man navigating all of this without a map?

By all logic, a place like this should require an army of servants just to maintain, yet Alphonse managed it alone. No lists, no aides, not even a single note to remember where things were.

Kim narrowed his eyes. Either he's a monster in human skin, or he's been doing this for so long that this place is basically a second body to him.

After what felt like half an hour of walking, they finally arrived at the seventh floor.

Vaqihr stopped in front of a grand double door, gesturing toward it lazily. "This room should do."

Alphonse stepped forward and unlocked it, pushing the door open to reveal—

Luxury.

A massive bed with silk sheets. Elegant wooden furniture, polished to perfection. Shelves already stocked with books, fine carpets covering the floor, and even a desk with intricate carvings along its edges.

Kim's first thought? This is a noble's bedroom.

His second thought? Why does a place like this have an unused guest room this nice?

Vaqihr turned to Alphonse. "Prepare it properly for his stay. Make sure everything is in order."

Kim almost scoffed. Everything already looks better than most noble estates.

Still, he wasn't going to complain. Compared to his past accommodations—a dusty orphanage, a cheap inn, a storage shed—this was paradise.

But... something was off.

His instincts hummed, an old habit from his past life. Something about this room, this situation, felt too convenient. He wasn't naive enough to think this kindness came with no strings attached.

Vaqihr turned to leave. "I have important matters to attend to. Get some rest."

And just like that, Kim was left alone with Alphonse.

The butler turned to him with his usual composed expression and clasped his hands together.

"Now then," Alphonse began, "before you get too comfortable, let us discuss the rules."

Kim sighed internally. Here we go.

Alphonse continued in a perfectly practiced tone, listing out The Do's and Don'ts of living in the castle.

Do not disturb the wizards on the lower floors unless given permission. Do not enter rooms marked with red seals. Do not touch anything glowing unless you want to be turned into a toad. Do not enter restricted areas without supervision. Do not cause unnecessary trouble.

Then, his tone grew sharper as he reached the more serious rules.

"There are rooms," Alphonse said, his voice heavy with meaning, "that you must never, ever, under any circumstances, even think about entering."

Kim raised an eyebrow. Oh? That sounds like a challenge.

"Should you ever find yourself in those areas," Alphonse continued, "your stay in this castle will be very short. And unpleasant."

Kim kept his expression neutral, but his curiosity burned. What could be inside those rooms that they're making such a big deal out of it?

Still, he nodded politely. "Understood."

Alphonse studied him for a moment before sighing. "Very well. That will be all for now."

Kim barely held back another sigh. The room might've been comfortable, but now he knew one thing for certain—

He wasn't here as a guest.

He was here as a prisoner with extra privileges.

Alphonse gave Kim one final look, his expression unreadable. "Behave yourself, young master. It will make things much easier for you."

With that, the butler turned and walked away, disappearing down the endless corridors of the castle.

Where does that old man even go? Kim wondered, but before he could dwell on it, the door behind him clicked shut.

Not by a servant.

Not by magic words.

It closed on its own—smooth, silent, and absolute.

Kim exhaled through his nose. Right. Definitely a prison.

Still, if he was going to be trapped somewhere, he could think of worse places. He turned his attention to the bed—massive, covered in the softest sheets he had ever seen, and practically glowing with comfort.

His body ached from all the walking, his mind from all the thinking. He didn't fight it. Kicking off his shoes, he let himself fall onto the bed.

And gods, it was heaven.

The mattress was so soft, so perfectly cushioned, that it felt like sinking into a cloud. His entire body relaxed on impact, exhaustion seeping into his bones.

His mind, however, still refused to shut up.

What is Vaqihr planning?

The man was too important, too busy, and too powerful to just randomly pick up an orphan. And not just any orphan—one tainted by an evil succubus.

He had seen the look in people's eyes when they found out about his condition. Even Catherine, as kind as she was, had been wary at first.

Yet Vaqihr?

The man had barely reacted.

Kim frowned slightly, trying to piece it together, but the more he thought, the heavier his eyelids became.

Maybe he was just too tired.

Maybe he'd figure it out tomorrow.

His thoughts drifted, the softness of the bed pulling him deeper.

And before he could think any further—

Sleep took him.

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