eun sung-min a survivor of a massacre by monsters known as “evil.” he is living with his blind maid. when they are approached by a man from the organization s.e.p.a. they are here to form an alliance with him and his maid to find a way to fight “evil” which are born from the emotions of mankind, and to discover the truth behind the “phantom king” whom he remembers from the attack 11 years ago.