Blood+ is a tV series anime that premiered in fall 2005, produced by Production I.G.

About the production: the story comes from an original script, there are 50 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, drama, horror, mystery and supernatural, with themes such as Vampire, Female Protagonist, Swordplay and Found Family.

On AniList, Blood+ has an average score of 73%, a good score, and appears on 68,264 users' lists.

Saya Otonashi, a seemingly normal high school student, suffers from amnesia and she can't remember the past year of her life. One day, after a man appears and gives her a katana sword, her destiny begins to be revealed. Soon she finds herself fighting the latest threat to humanity - Chiropteran monsters, ravenous immortal creatures that can change their form, disguising themselves as human beings. They feed off blood and hide themselves within the human world. An organization known as the Red Shield has been waging a private war to wipe them out and now the struggle has grown. Saya's journey for the truth has begun. (Source: Sony Pictures Home Entertainment)

Official synopsis from AniList.