Yasuzumi Tsuchimikado

土御門 泰純

Current head of the Tsuchimikado clan and Natsume's father. He can read the stars and predict the future accurately. [Spoiler] Later, it was revealed that he had given his son to the branch family to safeguard and had Natsume take his place. He is the biological father of Harutora. [/Spoiler]