30 Years after Reincarnation, it turns out to be a Romance Fantasy Novel

Four days. Short, yet enough time to observe the surroundings and grasp the atmosphere.

And in those four days, Ihan gathered four key pieces of information.

The First Clue

‘There’s… a trace!’

He had confirmed that traces of that perverted bastard—Vampire No. 2—were present in this household.

The man himself probably wasn’t even aware of the traces he had left behind, but they were there.
A stench so putrid, so vile, like tar rotting in the depths of a sewer…

Whether it was the scent of a vampire or simply the stink of his decayed soul, Ihan wasn’t sure.
But regardless, that repulsive odor lingered in certain areas within the mansion.

…However, unlike discovering the scent, obtaining any concrete information about the bastard himself was nearly impossible.

Was he hiding too well? Or had he concealed his identity through some special means?

Whatever the case, it was a thorn in Ihan’s side.

‘Still, what matters is that I found a trace of him.’

Knowing for certain that the bastard was here made all the effort worthwhile.

The Second Clue

‘None of the mansion’s servants are vampires.’

Some of them had learned unique forms of Aura-based combat, like a few peculiar maids or the head gardener.
But that wasn’t Ihan’s concern.

What mattered was that none of them bore the trace of No. 2, and more importantly, there were no signs of them cooperating with vampires.

However, if this fact was flipped on its head—

‘That means the owners of this mansion might be harboring him…’

The owners of the mansion.

In other words, Mordred’s bloodline could be the ones sheltering that degenerate.
But this was something Ihan could only confirm by seeing them directly.

And that’s where the problem lay.

‘Are they hibernating or something?’

The Third Clue

Mordred’s bloodline might not even be in the mansion.
There was a possibility that they were being imprisoned somewhere else.

Ihan hadn’t heard this information from anyone directly.

Rather—

‘The servants themselves don’t seem the least bit concerned about their absent masters. That’s… not normal.’

It was a deduction made through observation.

‘This family is seriously strange.’

It was unnatural.

Servants of noble households—especially those serving a Grand Noble Family—were expected to display unwavering loyalty to their lords.

Yet these people…
They had no sense of devotion whatsoever.

They merely went about their tasks, like NPCs programmed to guard a castle.

It was bizarre.
Utterly peculiar.

Under normal circumstances, Ihan would have liked to confront someone about this unsettling reality…

"Remember this: No matter how curious you become about the lord, the young master, or the young lady, do not show it. If you fail to follow this rule, you will never work in this castle again."

A stern warning from the head maid, given on the day of his employment.

And Ihan had a gut feeling—if he ignored that warning and started asking questions, he’d be kicked out immediately.