Onmyou Tai Senki

Riku Tachibana, an average 1st year junior high school student, finds his life forever changed after a duel with a mysterious warrior known as the "Warrior of Earth." Unaware of his true identity, Riku discovers that he is a survivor of the believed extinct "Warriors of Heaven." With the aid of a device called "DRIVE" and a summoned Shikigami, or "Divine Beast," named Kogenta, Riku dedicates himself to the battle against the Warriors of Earth, a crusade that will forever alter the course of his life.