Hyouka Kazakiri

She is Index's first "friend" in Academy City. She is gentle but shy. Not much is known about her aside from the fact that she was an overachiever at Kirigaoka Academy for Girls according to Aisa. Her ability is Counter Stop. Details about her level are unknown but it could be high, since it was mentioned that she was among the top psychics in the Kirigaoka Academy for Girls.

(Source: Wikipedia, edited)