Aku no Kadou o Ikimashou

Celestine, the villainess, suddenly recalls her memories of her past life when she's at the altar, about to be married off to a Prime Minister twice her age and surrounded by the most awful rumours as a punishment for her misdeeds against the Prince and his lover. She realizes that this is the world of an otome game she played in that previous life, but more importantly than that, she also inherits past life's very specific tastes...