Just like in some novel, or some movie.

When night falls, jewels and artworks vanish without a sound...

And a single poker card is left attached to the piece.

Flip it over, and there's a note. "I'll be taking this~ ♪(๑>؂<๑)" Followed by a drawing of a tongue-sticking-out emoticon...

No one knows who is hidden behind that veil. And this story could actually happen—in fact, it has.

Isn't that why I was put in charge of the investigation? Code name: Lude.

He has such a massive build, so how can he be that agile? I was curious, but as a famous thief defiling our country, I felt a loathing that drove me mad.

I will catch him, no matter what!