There are five noble families that exists in the Iris Empire. One of these families is the Klauss household where a young boy name Demian is present. Due to the crimson eyes he have, he was hidden from the public. Crimson Eyes symbolized bad omen because it is a representation of the monster in the first Queen's story. The story started where Demian's grandfather asked him to acquire power from the Gate of Diov by forming a contract with a Lucid. Reason was to fight the Nulls. After this certain event, unimaginable occasions takes place. Meeting the daughter of Hallswar family, Florentina Hallswar and the self- proclaim  Barron,  and the distraught events of the coronation of the queen candidate, Elaine Klauss.