Strong FL manga

I woke up as the daughter of the grand duke in a novel- the same world as Raon, my favorite character.This must be God's grace towards me, a fan!But of all things, I'd become Istina, the very villainess who always caused Raon trouble.Raon is disguste

For years, Saint Evelyn has protected her country with her powerful healing magic, earning her the love of the people. But then, the first prince breaks off their engagement and strips her of her title, only to name her incompetent half sister as the