"Ah, it's not as bad as before. I mean, it'd be nice to get back, but since I know we took care of things... I don't need to worry about rushing, I guess."

And she may possibly see this world as similar to another sort of singularity to fix. Just now she doesn't have a deadline to be home by!

But in any case, Ritsuka is her usual friendly self, even in questioning other people for anything they might know or suspect about a murder. It would seem most don't have terribly much to offer, though, especially since most seem to be in the same position as them: just handed an invitation to dinner with someone they've never actually met before.