[F4A] Invasive Species [narrative][1st person narrator][ invasion of the body snatchers][Tomboy][Friends to Lovers][Monster Girl][Aliens][Loss of Virginity][First Time][Impregnation][Threesome - F/F/M][Alien Invasion][Enemies to Lovers] She thought the stories about alien plants making copies of human hosts were just made up, until it happened to her. Her best friend and roommate is there to save her… except her alien copy makes a very persuasive argument for why he should save her instead. Script: https://archiveofourown.org/works/40711236