 A second season aired from October 7, 2017 to December 24, 2017, running for 12 episodes.A 24-minute original animation DVD was bundled with the fifth volume of the "Blood Blockade Battlefront Back 2 Back" manga which was released on July 4, 2018, with Shigehito Takayanagi and Bones returning from the second season of the anime series to direct and animate the OAD, respectively.In the sixth volume of "Blood Blockade Battle Front Back 2 Back", it was revealed that a live action stage play inspired by the manga was being produced.