Episode 4

Black Bullet is the 4th episode of the Black Bullet Anime. It aired on April 29, 2014.

Rentaro and Enju locate and confront Kagetane Hiruko and his Initiator, Kohina, after Kayo volunteers to stay behind and prevent Gastrea from interrupting their battle with the masked man. The battle quickly escalates, leading to Kagetane's demise. However, the Stage V Gastrea appears regardless, leaving Rentaro with no other option but to use the Ladder of Heaven to save the Tokyo Area.