Shakugan no Shana
灼眼のシャナ (original)
Yuji Sakai learns there is more to the world than school and finding a girlfriend when he meets a sword-wielding girl with fiery red eyes and flame-colored hair. It's up to the Flame Haze, Shana, to slay the invading denizens of the Crimson Realm.
Starring Satoshi Hino, Rie Kugimiya, Masashi Ebara, Hitomi Nabatame, Mitsuo Iwata, Mamiko Noto, Kenta Miyake, Junko Minagawa, Shizuka Itoh, Ayako Kawasumi
It's a animation and drama show, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from United Kingdom.