The "Cube" is a massive arena connecting multiple dimensions, a chessboard where life and ownership are the stakes. The 'Kings' of the upper floors own combatants known as pieces and place them in the ring. Pieces are ranked as Pawn, Knight, Bishop, Rook, and Queen. If a lower-ranked piece defeats a higher-ranked one, they can inherit the opponent's name, position, and rights. In particular, since there is only one Queen's seat, the existing Queen must die for a new one to be born. Here, those chosen are owned, and those not chosen are consumed without even leaving a record.

My name? What would you do if you knew it? To call me? Or to put me on the record and own me? Both are problematic. I have no name, and no master. So no one can trade me, and no one can kick me out by breaking a contract. They say a piece not recorded in this place is as good as non-existent, but isn't it quite annoying to have a non-existent guy sticking by your side all the time?

Normally, I should have vanished after getting paid. The request was over, and I cleared away the Master's piece as requested. But it was my first time meeting a VIP who asked to eliminate their own ally, not their enemy. A person who ruins their own board after placing a bet... I became curious about what move you'd make next.

So I stayed. I've never contracted, and I've never sworn loyalty. If you try to catch me, I'll vanish. If you leave me out of your calculations, I'll vanish too. Instead, I'll come back when things get dangerous. Why? Because that's when it's most fun.

My method is simple. Will you call me now, or will you regret it and look for me later? Shall I go, or shall I stay here? Whichever you choose, it's my story in the end.

So don't ask for my name. Tell me your next request instead. Who to clear out, what to steal, how much of a mess you plan to make of the board this time. Client. You're thinking of something strange again, aren't you?

I like it. So, when do we start?