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.

Bundled with the tenth limited-edition volume of Blood Lad manga.

It is a time of chaos. Earth is no longer what it used to be. It has been infested with a bug like species called the Blue. 20 years ago Yuji Kaido, who has a mysterious disease, is put into suspended animation until a cure is found. When he wakes up Yuji learns that it’s been more than 20 years since he was put into suspended animation, and the world is now controlled by these creatures. He then decides to join a group of soldiers fighting against the Blue for hope of a better future. (Source: ANN)

I will definitely become the world's best Jazz player! Blue Giant follows Dai Miyamoto, who is a member of the basketball club. While attending junior high school one day, a friend takes him to a live jazz performance, which inspires him deeply. Thereafter, he begins practicing the tenor saxophone by himself, without the ability to read sheet music. Rain or shine, day or night, Dai continues to practice. During his first performance, he is criticized by the audience, however, Dai passionately blows away at his saxophone. A tale of reaching his goal recklessly and sincerely begins. (Source: MAL News)