Seventeen years ago, mysterious immortal soldiers known as divine warriors appeared on the battlefields of Africa. These life forms later became known as Ajin, or demi-humans, and were considered to be one of the greatest discoveries of mankind. The government declared their existence to be compatible with humans; however, it is rumored that they instead offer bounties for captured Ajin to secretly perform inhumane experiments on these rare beings. Kei Nagai, an apathetic high school student, is studying to become a doctor and only wishes to live a normal life. However, this simple dream is shattered after he suddenly gets into a deadly traffic accident. Revived at the scene, he is immediately labeled as an Ajin by bounty-hungry witnesses. Unable to understand his immortality or prove his