I love villain characters

Otome game, villianess is our princess Mc, she's next in line bc her brother has no children, was drug addicted and has 4 concubines ( one vinabun former slave, one former librarian? Who cheated on her with games oc, one too play by the rules perfect noble back from war, one red-haired war trophy who loves the games oc)

I reincarnated into a romance fantasy novel written 10 years ago.
On top of that, I became the villainess, Ayla, who cursed the female lead and was killed by the male lead.

Please be advised. This work contains somewhat sadistic expressions and portrayals of bloodshed due to the nature of the genre. We tried to capture the charm and atmosphere of the original work, but there are images that may make you feel a little uncomfortable, so please take note.
I accidentally took possession of someone in a 19+ reverse harem novel.
The problem is
that I became Roxana Agriche, the older sister of the sub-villain. My damn father kidnapped the heroine's brother.
Now, is the on

God gave me a chance to relive my life. Before the rebirth, I had been used for the past 400 years as the empire's sword. And so, I swore to destroy the empire. I found the young prince of the country and became his teacher. I taught him how to become a tyrant and asked for the country.
"I will do the lady's will."
He conquered the whole empire for me, and I ran away.
"I came to take you, Charlize Ronan." Dylan became a perfect tyrant and searched the entire empire for me.
"You tamed me, so why