Yes, I am. Where I'm from only the beastmen are allowed to live on the surface. They're... half-beast, half-man, though I don't really know much about them. There are a lot of underground cities and towns that humans live in, though I'm really only familiar with Adai, the town I'm from. Apparently most of the other towns are more technologically advanced than Adai - our culture is very different from the others, though I don't know why.

[...that's not really important though.]

We're currently fighting to reclaim the surface so humans can live there, but there isn't much on the surface for the most part. A lot of it is desert or grassland, but there's not much there otherwise. The gunmen are mobile machines that the beastmen use to kill any humans that they find on the surface, but we've been able to take over and use some of the gunmen against them.

...So it's nothing like this world and I haven't met anyone who's from a world similar to it.