Matsuka is pretty shy of non-imports due to lingering issues from his canon and, well, general timidity. He basically does hide away in his own little import world as much as he can, though he does have non-import co-workers at his job at the toy store.

Luck, on the other hand, regularly goes and hangs out in shady bars and talks to people, and cardsharps NPCs at poker a couple nights a week.