The original Black Bullet light novel series, written by Shiden Kanzaki and illustrated by Saki Ukai, began publication in Japan.
Announcement made regarding the adaptation of Black Bullet light novel into a TV anime series.
The Black Bullet TV anime series premiered in Japan, introducing the story to television audiences.
The Black Bullet anime series concluded after its 13-episode run.
The Gastrea virus outbreak begins in Tokyo, causing massive destruction and panic.
The infected Tokyo area is encased by a monolithic Varanium barrier to contain the Gastrea virus spread.
The Civil Security organization is established to combat the Gastrea and protect Varanium areas utilizing Cursed Children.
Rentaro Satomi is assigned Enju Aihara as his Initiator partner for Gastrea combat missions.
Civil Security launches a major assault on a Gastrea nest in the Tokyo area, involving Rentaro and Enju.
Kisara Tendo joins Civil Security as an Initiator, partnered with Rentaro to enhance fighting capabilities.
The team encounters Promethium, a powerful gastrea with unique abilities posing new threats.
Hidden truths about Civil Security's experimentation on Cursed Children and their human rights violations are exposed.
Rentaro and his team face a devastating Gastrea hybrid leading to critical developments in the war against Gastrea.
