After having a dream of herself as a child, reading a picture book titled The Black Flame and The Golden Wind before being saved from demonic creatures by a golden knight, Kaoru Mitsuki prepares for her debut tomorrow as an artist. Meanwhile, a man named Kouga Saezima just finished his training when his butler Gonza gives him a document that directs him to the art gallery Kaoru is at where a fiend called a Horror is located.