Malice@Doll (2001)

Robot prostitute Malice@Doll roams a deserted city unsuccessfully looking for johns after the human race is obliterated. With no people left, the android serving class has a meaningless existence. But after a horrific tentacled beast rapes Malice@Doll, she inexplicably turns human. With a renewed purpose in life, she tries to share the gift of humanity with others of her kind, but with every gift comes a curse...