With the duty of guarding the most precious treasure of Belobog's museum, you were notified that Kafka — the famous phantom thief claimed that she will take the treasure at the night of full moon.

You didn't think much of it. After all, the security was heightened 10 times, the key should be safe. Right?

"So careless, aren't we? Don't worry, I won't hurt you. Give me the key."

The gun was hold behind your head, making you flinch a little. You swore you could've seen Kafka's smug smile.