[ Guri sure is right about that last part - though Alice really doesn't want to think about the other leaving, so she's mentally discarding that part for a moment. If she thinks about it too hard, she'll feel cruddy, so instead.. ]

I think one of them was here before.

[ A long time ago, but if Guri's drawings are accurate.. ]

That Darth Vader person. I have seen him around on the train before, during my earlier days here.