Yu-Gi-Oh Zexal: Back To Barian

Six months has passed since the number war. Yuma and the others have become use to their live until Yuma runs into someone. The person is a girl named Siri and she need help. Yuma and his friends decide to help Siri and her father. While the group runs into the normal problems, the former Barian Emperors have to decide whether or not to become Barians again.