Paradox was exhausted. After traveling around in Sin World, and attempting to change the future, he had realized that he needed to head back to Neo Domino City. He found himself back at the Arc Cradle, waiting around for his friends to come back. He was slightly lonely, being in teh Arc Cradle alone. But that would soon change, he hoped. And he also hoped to all of Yliaster that he wouldn't have to run into Yusei again. The experience of nearly being blown to bits was a little too much for the android.
What if Yusei was rig-- no, that wouldn't be possible. Duel Monsters destroyed our future. And I can't let that happen. I can't fail Z-ONE.