I Reincarnated as a Villainous Princess, but the Hidden Character Is Not Hidden

Abused in the back palace, Lusienne remembers her previous life with the shock of a blow to the head... You're lying, right? Lusienne la Verrier is the name of the villainous princess in that otome game I liked. But wait, how old am I now? Isn't Lusienne's life too hard from the very beginning?