Reincarnation/ Rebirth/ Transported to another world

This is a completed novel on novelupdates if you want to read it just know it's really long and slow paced lol

She becomes a made to the villain

Goes into the body of the timid duchess vowels never to be timid or let people push her over

Shes transported to ancient times

Old lady becomes young girl

I think they have like past lives? Idk they swap bodies