so you were reborn into your favorite novel as the mc, of course this was a romance story so there's a villainess, and the villainess is very evil I mean she tried to torture and poison you once

one day a girl with ocean colored hair and orange eyes, the girl also wore some ocean clips her clothes were also ragged she also had fins on her body and ears showing she was a mermaid and horror when you recognized her as Marilyn the villain but you noticed her was badly hurt and was...pregnant