Would North Korea still exist in the 23rd century? Or would the peninsula be unified?
Why would Koreans infiltrate the Kusari? For what purpose?
Was North Korea (or a whole Korea unified under the north) part of the Coalition?
If yes, then what are the descendants of these Koreans doing in Kusari? Why don't they go to Omega 52?
Also, how did these 200 Koreans manage to preserve their identity after 8 centuries of contact with the Japanese/Kusarians? Wouldn't they be just Kusarians and adopt Japanese/Kusarian culture by now?