Known to the Private Aichi Symbiosis Academy as the "Empress," she is a notorious delinquent who defeated Nomura Fudou prior to their transferral at the academy, as well as both Onigawara Rin and Kikakujou Mary singlehandedly after her transferral to the academy, hence earning her nickname. The injuries she inflicted resulted in him getting hospitalized and eventually the result of their expulsion. She develops feelings for Nomura but became increasingly jealous when she discovers that Rin developed feelings for Nomura as well.
