Read manhwa How Did I Become the Princess / Starting from Today, I’m a Princess? / 오늘부터 황녀?!
A warrior with the mission of defeating the Demon King even if it meant sacrificing her own life. Although it seemed like the rest of her life would be full of a glittering bright path… In reality, it’s the gutter! In order to re-find an ordinary life, after having been thoroughly exhausted, she makes a wish. “Please turn back time.” But where’s the ordinary life…? “I’m definite that this child is the Princess that was lost 12 years ago.” From a penniless warrior who didn’t even have a name she became Nanael, a princess who has it all!