Career
He was the tutor of Takeda Shingen"s younger brother Takeda Nobushige. He later betrayed Shingen with Shingen"s eldest child, the rebellious Takeda Yoshinobu. A historically accurate account of his life is in the novel The Samurai"s Tale written by Erik Christian Haugaard.
He was known as one of the "Twenty-Four Generals of Takeda Shingen".
