Otomo Seimei

Otomo Seimei was the younger brother of Hantei XXIV, and the fourth in the line of Imperial succession. A consumptive sickness left him sequestered in the Imperial Palace until he passed his gempukku. His oldest brother always treated Seimei with kindness and respect, and he wished to repay the Emperor by devoting his life to protecting him.

Otomo Astrology School
The previous two Hantei Emperors both had dangerous and strange supernatural occurrences during their lives, so Seimei began a quest for understand the hidden messages of the Celestial Heavens. A Kitsune sensei tought him the proper methods of divining the future. Seimei founded the Otomo Astrology School, a small but important group of courtiers who defend the Emperor from supernatural threats and divine the Heaven's intent.