Hanbei is one of the two Warriors who serves Hideyoshi along with Kanbei. He only appears after Nobunaga is defeated. He is a genius with truly astonishing brainpower and a confidence that doesn't quite fit his appearance, his dream is to spend every day sleeping.
Special Story (The Reluctant Genius)
He is put in charge by Hideyoshi and has Kanbei as his underling.