Kyrie

Kyrie is a supporting character first appearing in Devil May Cry 4. She is the younger sister of the leader of the Order of the Sword's Holy Knights, Credo, and the songstress for the Festival of the Sword. Kyrie is the childhood friend of Nero, as well as his love interest. The love between Kyrie and Nero began before the events of Devil May Cry 4 and it is used as major plot point during the game.