The school nurse at Fujimi High School, she is rather ditsy as compared to the rest of girls in the group. Her large bust size is often used as a comical element in the story. A 26 year old bachelorette she lives with Rika Minami, a sniper of Japan's Special Assault Team. Her home was used as a safe haven for the group once they escaped the high school. As a nurse she is responsible for the health and care of everyone in the group and is efficient at doing so.
Source from Wikipeida