Anime feature based on the novel 'No Longer Human' by Osamu Dazai, set in a dystopian future where humans have special implants that allow them to avoid illness and death. However, if these implants are disconnected from the main server the humans mutate into monstruous creatures and become known as lost. Idler Yozo voice of Mamoru Miyano discovers that he has extraordinary powers and his encounter with a lost human results in a change of attitude that propels him to try and change the society he finds himself in.