As the story progresses in this fantasy action manga, Deon finds himself caught in the midst of a war between humans and demons. Although Deon wishes for nothing more than to avoid conflict and survive, his newfound reputation precedes him. Consequently, Deon must find a way to navigate this war without revealing his true identity.
Transitioning between the human and demon worlds, Deon struggles with his lack of power and talent. However, through wit and luck, Deon is able to convince others of his mighty persona. Nevertheless, Deon lives in constant fear of his weakness and illness being exposed.
Throughout the manga, close calls and near-discoveries of the truth plague Deon as he quests for a way out of this war. With comedic and heart-stopping moments, this manga follows Deon as he asks himself if he can keep up this charade of being a demon general or if the truth will come to light. Overall, this manga highlights themes of identity, perception, and finding inner strength.