It's really strange. It seems like some unlockable contacts in COV do show up in Orobouros but others do not, or maybe they do not if you do not unlock the contact by their top level requirement. For example, Archmage Tiraxius and Doc Buzzsaw are totally for me in Orobouros. However, Johnny Sonata, even though he is unlocked for me, is not. Nor is Ambassador Kurekt.
Is there a fix for this or are their story arcs lost to this character forever?