Embark on a thrilling adventure with '전직 용사가 퇴마를 너무 잘함' as the protagonist grapples with his past failure in a different world and his current role as an exorcist for the police. Dive into a world of fantasy creatures, gods, and monsters, where an introverted protagonist must wield his sword and magic against spirits in a modern setting, showcasing his evolution from a former hero to a force to be reckoned with.