Erika Itsumi is a second year student from Kuromorimine Girls' Academy, the current vice-commander of a Tiger II in Senshado. She is from Kumamoto City in Japan and her Birthday is the March 6th and she's is 17 years old. Erika looks up to her Kommandant Maho Nishizumi, but hates Maho's younger sister Miho. Erika herself has an older sister. She has a slim figure and quite the angry, cold and arrogant personality. Erika was left paralyzed after she there was a malfunction. She can't move.