Natural City(2003)

Original title: 내츄럴 시티

Two cops, R and Noma, hunt down renegade cyborgs. Cyborgs are used as commandos by the military, as lust objects and for companionship. Normaly they have a limited lifespan of three years but black market technology is being developed to be able to transfer a cyborg's artificial intelligence into human host. This drives R to find a suitable host for his expiring cyborg Ria.