Hanazono Mika, is Kamishiro's childhood friend and high school classmate. She is a young girl of medium height, slender body, brown eyes and light brown hair. Many kids at her school consider her attractive. She is usually dressed in school uniform. She is a very kind young woman who generally cares for others, a gesture she acquired as a child. After the collapse of the school building she acquired partial amnesia and became somewhat distracted.