What personal theories do you have about Junji Ito's works? For example, I think there's a connection between Amigara Fault and Uzumaki.
Cavemen had the magic to create an instrument of torturous death that could twist the human body, and they also cursed the victim to continue being reincarnated and suffer the same punishment.
What kind of crime did these individuals commit?
Building the Uzumaki structure