Malice@Doll.

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... Malice@Doll was originally released as a 3 episode OVA series from April 27, 2001 to June 22, 2001 but would later be re-released as a singular 80min long film on some DVD releases.