Tsukawaii's manga / #Ｏ(≧∇≦)Ｏ(2)

So mc regain her memory from past where she is from a modern world and read a novel about the world she has transmigrated to, realize she is a villainess and an illegitimate daughter who will be killed someday due to the heroine. Her power is not the same as her family as in the story she is really not part of them and has no blood relationship. She's also trying to break engagement with prince and earning money as 3 years later ogfl (heroine) will be adopted by her fam.fl has healing power n she also poison kebal she eat poison without dying n her biogicial family is noble too. Ml (ian) save fl and be her guard. Ml seem to know she is from another world