Chifuyu Orimura is the older sister of Ichika Orimura and is currently his Homeroom Teacher in Class One as well as the 1st Year Dorm Supervisor in the IS Academy. Chifuyu is seen to be a very prideful, stoic, stern and strict woman, but does have a soft spot inside her heart to those who she care and love secretly. In battle, She is very skilled, levelheaded and confident, as she would smile and mock her opponent. She didn't even show any worry or fear about facing an IS without one.