The manga "Jujutsu Kaisen" features Puru Geto. In the story's present timeline, he is deceased but not entirely gone.Eventually, he was killed in a tragic battle by Gojo Satoru, his best friend in the entire world. ("Gojo-Sama" is an honorific.)
The crash item is that the body that was once his has been resuscitated and is under the control of a parasitic curse calling itself Kenjaku. Kenjaku is more commonly known by its real name, Brain.Kenjaku has a sinister agenda: To bring more chaos and curses into the world.