BLOOD-C: The Last Dark

A group of young activists known as SIRRUT opposes Fumito Nanahara, a powerful political figure who dominates Tokyo. Using the internet, they uncover "Tower," a clandestine organization linked to Fumito that conducts human experiments. During an attempt to expose "Tower" in a subway ambush, unknown creatures attack. A girl named Saya arrives and fights them with a Japanese blade. Saya, who suffered a traumatic loss in Ukishima Province, seeks answers about "Tower's" experiments involving the creatures. The confrontation with Fumito and the organization escalates into a final showdown.