Toaru Kagaku no Railgun
とある科学の超電磁砲 (original)
Starring Rina Sato, Satomi Arai, Minako Kotobuki, Aki Toyosaki, Kanae Ito, Atsuko Tanaka, Kana Ueda, Atsushi Abe
It's a animation and drama show, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Chile.