Apparently since some have been in other worlds, that I've never even heard of before this whole world hopping thing started and those aren't their own home worlds...

[It's a lot to hear at first, she still remembers that even when she's used to things happening as magical girl too.]

Mmm, I know, sorry. I'm not used to helping so many either, but think of it like helping one world at a time, yeah? We can't leave here but we can help here.

[... Or at least that's how Usagi is trying to look at it because otherwise she'd want to help every world at the same time.]