This is really specific but stories exactly like becoming the unwanted mistress of a noble family . SHES SO PRETTY AND BADASS
The Blood of Madame Giselle
It’s about this blonde orphan girl who gets adopted by the duke and the sister and mother were super distant but came to live her they both have red hair . The fl accidentally dyed her hair rainbow colour and it was in a shoujo setting
The perks of being a villain
Maybe?
Yesss thanks it hasn’t been uploaded in a while so I thought I didn’t mark it as reading lol
Friend who never reads manhwa sir anything want an angsty enemies to lovers. Not BL, straight couple. Preferably no sex scenes
https://www.mangago.zone/read-manga/purple_hyacinth/