Maho is well known for her fervent passion of Sensha-dou. She is a talented leader and is well respected by her mother, sister, and teammates. She often seems cold and unfeeling, but this is actually just a facade to show her mother, in actuality she is a very kind person, even to her opponents. The reason she strives to be a good Nishizumi heiress is so that her younger sister Miho will be free to live her life as she wishes.

In the official spin-off manga Motto Love Love Sakusen Desu!, she's shown to be quite easy going and caring when she doesn't have any important mission to take care of, as she tried to hold a Christmas party for the Kuromorimine students who don't have their own celebrations, but her school's strictness and her tendency to post messages as short as possible always make the ones around her feel uneasy, and the fact that she herself doesn't know much about parties and celebrations doesn't help, too.

Her favorite flower is Sakura and her favorite tank is the German Panther Ausf.F.

The Tiger she uses has the number 212, which is the tank German tank ace Michael Wittmann used at Villers-Bocage.