Yu-Gi-Oh GX: Supreme Emperor

Yu-Gi-Oh GX: Supreme Emperor,

u-Gi-Oh is but a simple game for fun. Tournaments exist to help spread that fun.

What happens when an avid fan of this game finished watching one of those shows and gets sent to a place where the cards are real.

What happens when he has his collection of cards stored away for future use?

What happens when he's the older twin of the main character?