Teropterids are evil beasts which pose as humans and live only to drink human blood. Fortunately for the human world there are groups dedicated to destroying them. A brooding and mysterious girl named Saya is the best teropterid slayer there is, and now, in 1960s Japan, she is sent to a U. S. army base which may be infested...
[Source: Anime News Network]
The war never stops: in a different time, on a different battlefield, hiding deeply in the folds of history... They are called Chiropterans. They can change their form and disguise as human beings, but they are not. They are immortal creatures that feed off blood.
An organization, named Red Shield, has been fighting to exterminate this pestilence, and the struggle has now evolved into something of a much bigger scale.
Okinawa, Japan. Year 2005. Now.
The high school girl Otonashi Saya is living peacefully with her family or it seems, since she has no memory of her life except for the past year. One day, a startling event causes her happy life to shatter to pieces.
An enemy to destroy, a mission to accomplish — the vortex of an ancient struggle is dragging Saya back to her destiny. A young and handsome cello player in dark clothes appears — his name is Haji. The moment he hands Saya a Japanese sword, history starts on a new course.
Will Saya be able to restore her memory and find her own identity?
[Source: AniDB]
Saya is a seemingly normal girl living with her father in a shrine. During the day she goes to school and spends time with her friends at a local cafe. But when night falls Saya is called upon to protect her village from strange monsters.
[Source: Anime News Network]
A series of short specials aired on the official website prior to the movie release. It consists of an explanation about the anime from the perspective of the twin characters, Motoe Nono and Motoe Nene.
An additional episode was aired at the Clamp Festival 2012. It was later included in Blood-C: The Last Dark Limited Edition BD and DVD.
Two summary episodes of the TV series that are airing prior to Blood-C: The Last Dark. They will feature secret content that was never aired during the TV series' run.
Despite the use of the Youth Ordinance Bill to enforce curfews for minors and regulate the use of the internet, young people continue to fight for their own freedom through underground methods. One such group calls themselves SIRRUT. They have decided to take on Fumito Nanahara, a man who has great influence on the political world, and basically controls Tokyo with an iron fist. While using the internet as a weapon to discover more information about Fumito, they learn about "Tower", the secret organization behind Fumito which engages in human experimentation.
When members of Surat attempt to set up an ambush in the subway to expose the truth behind "Tower", mysterious creatures suddenly appear and attack the passengers. During this crisis, Saya appears - a young girl who uses a Japanese blade to slay the Old Ones. The same Saya who lost everything dear to her in that horrifying incident in Ukishima Province. What sort of "experiment" is Fumito and "Tower" trying to conduct using the Old Ones? And can Saya finally deliver vengeance to Fumito?
Now, the final battle begins...
[Source: official site]