Akuyaku Reijou ni Tensei shita Hazu ga Marie Antoinette deshita  

I Was Supposed to Be Reincarnated as a Villain but I Reincarnated as Marie Antoinette, 悪役令嬢に転生したはずがマリー・アントワネットでした

When you awoke, you found yourself in an unfamiliar palace. you're not certain what it is or why you're there, but you feel confident that you've been reborn into another world. your new status appears to be quite noble, and you don't have any work obligations. it seems like the outcome of your life has already been determined, and all you need to do now is achieve a massive victory!