Rinon Otometachibana
She is an infamous delinquent in Tougetsu High School, where is is known as “Bear Killer Rinon,” she led a band of fellow delinquents in furry attires to cause havoc in school and to challenge Honoka to a fight on the notion that he did a lot of bad things to the ex student council president ( not knowing that she was being tricked by the latter), however Kagari , together with the Ivory Quintet interfered and defeated her.
She is also a workshop witch who only answer to Kazane.
In the manga, she bleeds from her scar on her forehead when angered.