Hm. I know there's a doctor among our group. The small girl with blue hair, Sigewinne. Maybe she could advise you more on this?

[ If he's curious about trying to uncover more. This is all over the head of a boy from the mountains, but it sounds interesting nonetheless. ]

I couldn't say how close this 'Earth' is to mine. I've never left Japan, and know very little about other countries... or even areas outside the town I live in. [ He's feeling a little uncultured saying all this. ] Maybe we can share another time to learn more about each other. We're going to be together for a while after all.