Isawa Uwazuru

Kaito no Isawa Uwazuru was the son of Kaito Nobukai, the Kaito Daimyō and high priest of Sanpuku Seidō. His father died in 1123 during a serie of events related to the real history about the founding of the family, being succeeded by Kaito Kosori. The Sword and the Spirits, by Robert Denton III
Kaito Uwazuru