>>215350443
>guy accidentally kill a guy with a metal fetish (he likes inserting metal into his flesh)
>guy gets possessed by the ghost of the guy with a metal fetish
>guy slowly turns more and more metal as he and the metal fetishist fuse into one being
it's all a metaphor for homosexuality, a theme that was very popular in cinema during 60-70s japan which became more coded and complex in the 80s and 90s