Background
Sadamitsu Usui was born in 954 in Usui Toge Pass, situated between the border of Nagano and Gumma prefectures.
貞光 碓井
Sadamitsu Usui was born in 954 in Usui Toge Pass, situated between the border of Nagano and Gumma prefectures.
Sadamitsu Usui was one of the Four Distinguished Retainers (Shitenno) of Yorimitsu Minamoto. He accompanied his master in Kyoto Prefecture to subdue the notorious highwayman, Shuten Doji.