Sakamoto Mio is witch of the 501st Joint Fighter Wing, originating from Fuso and affiliated with the Fuso Imperial Navy. She is sometimes referred to by the alias of Samurai because she often uses a katana in combat. Though she still uses firearms like most of the Strike Witches. She puts the whole team together with her leading atmosphere, playing as a superior front-line commander. She takes pride in having never lost a wingman. Broadminded, cheerful Mio is adored by many Witches. 