Black Bullet

All 13 episodes of the Japanese anime based on the light novel series by Shiden Kanzaki. In 2031, ten years after a deadly virus destroyed the majority of the Earth's population, the few remaining survivors discover a new metal called Varanium which can protect them against future bouts of the virus. They live behind monolithic walls of Varanium and now, Rentaro Satomi (voice of Yûki Kaji) and Enju Aihara (Rina Hidaka) must work together to prevent further death and destruction. The episodes are: 'The Last Hope', 'The Mask of Madness', 'The Children of Fate', 'Black Bullet', 'The Crimson Black Assassin', 'Tragic Irony', 'The Still, Moonlit Night, the Sky at Dawn', 'The Monument On the Border', 'The Guardians of the Barrier', 'The Battle for Tokyo Area', 'The Heart of Taurus, the Lance of Light', 'Crisis Point' and 'They Who Would Be Gods'.