[EVERYTHING IS FICTONAL] Xylazia is the city of Maniacs. A Maniac named Hwang Hyunjin is the king of the big city. Hyunjin as an insolent Maniac, was ruthless and heartless. He liked being alone. He liked being lonely. He was living his ordinary life until an Angel named Lee Felix came in hi life. Hyunjin's toxic ancestors had killed all Angels in the past. How is Felix alive? ☆ As Hyunjin tries to uncover the mystery, he falls in love with the Angel, although it is forbidden for Maniacs to love Angels. But Hyunjin, as the most powerful and intelligent Maniac, didn't even to bother to not follow the rules his ancestors had set up. He would do anything, even kill for his Angel.