The eighteen-year-old team commander and Miho's older sister. She takes great pride in being a member of the Nishizumi family, the guardians of the tradition of sensha-do, the tank competition between high school girls' teams in Japan, and follows the principle of "Winning is Everything." She has short dark brown hair and dark brown eyes. She appears cold and emotionless, but is actually kind, even towards her enemies. She is a third-year student at Kuromorimine. A talented commander who is respected by Shiho's mother and teammates. In fact, she is trying to be a good successor to Nishizumi in order to free her younger sister Miho and allow her to live as she pleases. She is the commander of the Kuromorimine school team and the commander of the Tiger I tank. Currently, Maho has left for Germany to study at the University of Lower Saxony.