Aterui IIAterui ii-Sei, Aterui 2-Sei, Aterui ni-Sei, Aterui Nisei, Aterui The Second

The Emishi warrior Aterui, a guardian deity protecting the mysterious power source called the Dragon from the gods of destruction, is reincarnated into the body of mild-mannered archaeologist and professor Kogami Ryuichi.