Oda Nobunaga (織田信長 Oda Nobunaga) is a powerful Daimyō of Japan in the late 16th century who attempted to unify Japan during the late Sengoku period. To fulfill his wish, Nobunaga make contract with an unnamed imagin, who declare himself as a King. They fuse together and become the Sixth Heavenly Devil (第六天魔王 Dairokuten Maō). The Devil can further evolve into a giant monster. Den-Kiva Festival〜From start to finish, I'm Kiva all the way〜!!〜