Saisho lives in a universe where humans are shape shifters but only with one other form, since he's also a wolf, he's literally just a werewolf. he is in a friend group including him, Samui, Hiya, Manzen, Yokoito, Ukeireta, and Hozonshite. he's most close with Manzen. Everyone is also a wolf except for Ukeireta and Hozonshite which are pigs instead.