Hisao Hito is a ruler in the Modern Era, being the emperor of Hiromaguchi and Toimuro.
He a man of few words, but he behaves perhaps slightly arrogantly, although this is common for royalty. Not much is known about him, except that Rin Gozen and Yamamoto Isao serve him. After you defeat him, he hands over power to you and disappears.
He is based on Japanese emperor Hirohito.