Wild girl / 这个小姐有点野 / 칼과 드레스
Rank: 475th, it has 5353 monthly / 125685 total views.
Authors: Kidari studio / Coyo
Genres: Manhwa / Action / Comedy / Fantasy / Isekai / Magic / Romance
Status: Ongoing
Summary:
After losing to the demon king, her soul got swabbed with a weak girl. Tired of her former life, she decided to live the rest of her life as a normal girl instead! Will our heroine able to live a normal life? Or is there something more to this new life she received? 

p.s, not a gender bender.
Resources:
https://ridibooks.com/v2/Detail?id=102009559

https://toonkor.pink/칼과-드레스

https://newtoki14.com/webtoon/144395/%EC%B9%BC%EA%B3%BC-%EB%93%9C%EB%A0%88%EC%8A%A4?page=3&toon=%EC%9D%BC%EB%B0%98%EC%9B%B9%ED%88%B0&tag=%ED%8C%90%ED%83%80%EC%A7%80