I don't really understand things like otome games or villainess characters.

This was supposed to be the world of an otome game after the villainess was condemned. Regina von Schoenfelder, the duke's daughter who lost consciousness from the shock of being condemned, woke up to find her memories had switched to those of her previous life. However, those memories belonged to a girl much younger than she was now. A story where incidents are resolved on their own before the confused Regina, who doesn't understand the language, (o