an irl kin is someone who thinks they are mentally or spiritually an animal, species, or fictional character is them irl! someome who thinks they are an animal irl could also be a therian, though!
" look at that Hatsune Miku drawing! "
" omg! they drew me! "
" they're ' you '? "
" yeah! miku is my irl kin! that means they are me irl! "