Blood-C
Saya's cheerful, clumsy exterior makes her well-liked at school, and she works hard to help out at her father's shrine. However, her sunny disposition hides a secret: she spends her nights wielding a sacred blade against demonic monsters.
Starring Nana Mizuki, Kenji Nojima, Keiji Fujiwara, Masumi Asano, Misato Fukuen, Atsushi Abe, Tatsuhisa Suzuki, Miho Miyagawa, Jun Fukuyama
It's a animation and action & adventure show, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Indonesia.