Kei Nagai dies in a car accident, but realises he is a type of immortal known as Ajin. Hunted by humans, Ajin is eventually found by the government and used as a subject in cruel experiments. He finds fellow demi-humans along the way as he escapes and goes on the run.
A pioneering roboticist awakens in 2025 after decades in cryosleep. To change the past and reunite with his adopted sister, he seeks a way back to 1995.
A sage travels to the past and collects a set of eight legendary swords, which bring to life a gang of talented but dysfunctional young warriors. The warriors know that Nobunaga Oda was supposed to die at the Honno-ji incident in 1582, but in this timeline he didn’t. To revert back to the original history, the warriors must travel back in time to assassinate Nobunaga Oda.
