Wasn’t there another like this but instead the mother was a fairy and the girl had been ...

Are you talking about the one where the older sister is named Cashmere??

Pls share the title when you remember, thanks~

If I am not mistaken she meant this manhwa
https://www.mangago.zone/read-manga/the_perfect_ending_plan_of_a_fairy_tale_villainess/

Thanks!