Why She Lives as a Villainess

I reincarnated into the body of the main character the villainessThis was before the villainess went back in timeI know the original plot anyway I dont have to go back in time and redeem myself do ILets just destroy the original plot while looking for a way to liveIn my own way obviouslyAre you going to eat in such an inappropriate wayAt the Marquis words Lesian responded carelesslyThe ancestors used to say that you should treat others the way you want to be treated You say its impolite for me to eat in my pajamas but it doesnt seem like the Marquis treats his daughter politely eitherAt those words the Marquis shouted angrilyYou must have finally gone crazyYes I am crazyIs it a big deal to say that Im crazy anyway when Im currently possessing a villainesss body