Kannagi

One of the Twelve Shinsho, he wields the Hayagami Homura, the god of fire. He incites the coup d'etat against the princess so that the Shinsho can use their Hayagami without limitations and also frames Arata for the murder. At first, he leads the manhunt for Arata but later decides to accompany Arata on his quest.

(Source: Wikipedia)