Since things have reached this point, it's no good to continue internal strife. We can only grit our teeth and keep going.
However, I'm the Best in the World looks down on Chess Player Passerby A, thinking that Passerby A moves haphazardly on the board, without any plan or basis.
Though the board is a total mystery to him, if it were him playing, he wouldn't know where to move either, but that doesn't stop him from looking down on Passerby A.
However, Group One is indeed somewhat strange.
Thinking about it, he looked at the positions of Group One's two pieces currently on the board. He guessed that Group One probably drew some bonus that allows two pieces to be on the board together, but the two pieces must be bound together.
But thinking carefully, this bonus seems useless. If two pieces are always bound together, what's the difference from having one piece on the board? It also loses the chance for a second piece to enter the board.
