Responses
I never really noticed that but my guess was that link’s name and symbol both represent linking the other world and the current one (I forget names so idk if those are entirely correct) and the symbol was supposed to show the two worlds intersecting.
i just noticed that the secret organization are called links (or at least called that by the students) and they have like two intersecting squares on their masks... sorta like the link of a chain... idk if there's any correlation there but sunwoo does have his glowing red chains...