Human Lost (人間失格, Ningen Shikkaku) is a 2019 Japanese 3D animated science fiction film based on Osamu Dazai's 1948 novel No Longer Human[1] and it is Polygon Pictures' first production not to get a Netflix release.

In the year 2036, breakthroughs in medical technology have led to a system of nanomachines internally implanted in all humans that can reverse illness, injury and even death.

Yūsuke Kozaki is designing the characters, and Kenichiro Tomiyasu is in charge of concept art.

The film stars Mamoru Miyano, Kana Hanazawa, Takahiro Sakurai, Jun Fukuyama, and Miyuki Sawashiro.

[6] In the United States, the film was released on Blu-ray and DVD on August 25, 2020, with an English dub.