Eri Kagurazaka

An English teacher at Jindai High and is the class advisor to Sousuke Kaname Kyoko Shinji and Mizuki at Class II4. She is a kind and understanding teacher who is willing to put the interest of her students over her own as shown when she confronted Gauron and some North Korean secret agents over taking Kaname from her seat in the hijacked Boeing 747 in Sunan Air Base. However shes known to get a mean temper whenever she finds Sousuke to be responsible for disastrous things in the school which she always is a victim of. From Wikipedia