Tsugumi Ban

She is a second year high school student from Renpu Girls' School and an ecology researcher affiliated to the school. She acts as the operator of Kofuki Shichinosato's group in mock battle scenarios. If there is an achievement she attains as a Toji, it is the ability to act as support in case her subject of research, Aradama, suddenly goes on a rampage and Kofuki cannot handle them alone.