This sound is from Mikoto Misaka's Voice - To Aru Majutsu no Index - Battle Voices (PSP)

The resulting series has seen success with both critics and audiences, with critics praising the action and characters. The light novels focus on Toma Kamijo, a young high school student in Academy City with an unusual ability in his right hand as he encounters an English nun named Index.
See also: List of A Certain Magical Index characters, List of A Certain Magical Index light novels, A Certain Magical Index (season 1), and Rina Satō.