Yea, some people say there is a place between worlds where u can be taken to. Normally it's after you die, though but who knows for sure?

I don't know but if we can come back from the dead and there are monsters and stuff here, I wouldn't doubt it. [Acting completely as if he were human himself.]

Ya! I've already been through school once. What about you, Nai-san?

That would make sense why they revive people at the hospital.