Kang Yoon-Soo left the transfusion room and walked through the castle corridors. As he had recovered, his pace was vigorous. Meanwhile, Yuriel flew behind him while continuing to drink wine from the bottle.

“Hey, bad creature. Where are you going?” Yuriel asked.

“The treasure room,” Kang Yoon-Soo replied.

“You know where that is as well?” Yuriel asked in surprise.

“Yeah,” Kang Yoon-Soo responded.

The vampire castle’s treasure room was where all the vampires’ most prized possessions were kept.

Kang Yoon-Soo arrived at a hall on the fourth floor of the castle, then started to push several protruding bricks in the wall to his right in a specific sequence.

Clack…!

Ta… Ta… Ta… Ta…

Gears clicked audibly somewhere in the background as the structure of the staircase leading to the upper floors slowly began to change. The stairs started to entwine and overlap with each other, and hidden rooms started to appear one by one.

“Wow! Hiccup! What are those?” Yuriel asked while letting out a hiccup, her face flushed red from the wine.

Kang Yoon-Soo stared at the angel for a while. Yuriel was already drunk, even though the wine only had a low concentration of alcohol.

‘Angels are really weak against alcohol.’

That was a critical weakness for angels, who were otherwise as strong as demons. But then, what kind of preference did this angel before him have, that she still loved to drink even though it was one of her biggest weaknesses?

“Hey, you bad creature. Don’t you have more wine? Hiccup! I really like this,” Yuriel said.

“You have to stop drinking,” Kang Yoon-Soo responded.

“Whyyy?” Yuriel slurred, her eyes unfocusing. She took a step and hugged Kang Yoon-Soo from behind. Her soft...