The Demon Kingdom has always been treated with animosity ever since history failed to show the truth. Even still, the Demon Kingdom has continued to prosper without the assistance of the other Kingdoms. Hoping to continue on with the tradition, Kizou strives to be the best Prince even if he's the weakest Royalty.However, his life begins to change once his strongest supporter, King Goro, passes away. Faced with bullying and scorn, Kizou only has the backing from his close companions to remind him to keep pushing on. Too bad life doesn't always go the way that he wants.Guilds, underground organizations, war, and everything in between come face to face with one boy whose fate becomes intertwined with a prophecy that was told from the beginning of time. Witness the rise of the weak boy who will change history.