Those are the Greek ones, right? Kou-chan used to read some of those stories sometimes.

[kAGARI don't talk to this guy like they're not real????]

These guys don't care about any of that sacrifice stuff, as far as I know. As long as you keep your mouth shut about what Thesa really is, you can just do your own thing when you get down planetside and they won't get in your way.