Kanbei was a man of ambition who served as the chief strategist under Toyotomi Hideyoshi in the Sengoku period .
Kanbei 's birth name was Yoshitaka Kuroda .
Kanbei , whose birth name was Yoshitaka Kuroda , was a man of ambition who served as the chief strategist under Toyotomi Hideyoshi in the Sengoku period .