Responses
Probably not this, but maybe..
https://www.mangago.zone/read-manga/the_villainess_is_a_marionette/
It's this, thanks
Guys I'm looking for this manhwa i don't remember much of the detail but I remember the art looking really nice, from what I remember the FMC is supposed to be a villain [I don't remember whether it was regression or reincarnation] but she has a blondie brother who's overly fond of her and is secretly evil [highly obsessive]