[Rei sets about making some tea and answers...]

Well, I knew about the idea of it. Other dimensions and things. I didn't know much, though. Sometimes the others and I would have to find a way between them to fight an enemy.

And then I got here, and...well...you know what it's like here. There are other worlds, certainly. Parallel realities where things are similar but slightly different, or wildly different. Like yours, I believe.