Hyouka Kazakiri is a major supporting protagonist in the light novel, manga and anime series A Certain Magical Index. She is the conscious form of the aggregation of the AIM Diffusion Fields of espers in Academy City, the Imaginary Number District and the first friend Index makes in Academy City, as well as a good friend of Touma Kamijou. She is voiced by Kana Asumi in the Japanese version of the anime and Alexis Tipton in the English version, the latter of whom also voices Inori Yuzuriha, Kurumi Tokisaki and Kofuku.