Guinea Pig Part 3: He Never Dies(1986)

Guinea Pig Part 3: He Never Dies is a Japanese horror film about Hideshi, a lonely office worker desperate to end his life. When his suicide attempt mysteriously fails, he discovers he cannot die. Rather than accept his curse, Hideshi uses his newfound immortality to torment a coworker who has judged him. The film explores themes of alienation, revenge, and the burden of eternal existence through graphic body horror and dark comedy. Part of the notorious Guinea Pig series, it combines surreal imagery with psychological torment as Hideshi's isolation transforms into a twisted form of power over those around him.