A character with the emphasize of dodge-hard, hit-hard. Agility type character who learns a lot of devastating killing technique with sudden death inflicted. Her attack type is Wind. Aoi is a freshmen in Agaresta Academy, class 1-C. She is shy, unable to speak fluently, and tend to leave a crowd. She's also Mari's childhood friend when they are become neighbor some years ago. She is the successor of Shiki Kenjutsu Style, which specialized in Iai. Shiki Style is the only martial arts which used for all of the warrior who protect the Emperor which belongs to City of Nanagi.