I'm the Only Monster Tamer in the World and Was Mistaken for the Demon Lord (Official)

Alternative

El único domador de monstruos en el mundo, - Fui confundido como el rey demonio cuando cambié mi trabajo; Sekai de Tada Hitori no Mamono Tsukai - Tenshoku Shitara Maou ni Machigawaremashita; Sekai de Tadahitori no Mamono Tsukai ~ Tenshoku Shitara Maou ni Machigawa Remashita; The Only Monster Tamer in the World I Was Mistaken for the Demon King When I Changed My Job; The Sole Monster Tamer in the World - I Was Mistaken as the Demon King When I Changed My Job; 世界でただ一人の魔物使い ~転職したら魔王に間違われました~; 世界上唯一的魔物使~轉職后被誤認為了魔王~; 世界上唯一的魔物使~转职后被误认为了魔王~; 세계에서 유일한 마물술사 ~전직했더니 마왕으로 오해받았습니다~