The Crimes of the Villainess Are Revealed
Knowing that the prize of the contest for White Lily Princess is demon incense that's harmful to demons, Aileen removes her male student disguise and enters the contest dressed as a woman. While others are overwhelmed by her beauty, James asks her to dance. The light dance steps of the pair fascinates the audience and Aileen is chosen to be the White Lily Princess. However, right after that, the mastermind has demon incense scattered throughout the venue. Aileen and the others struggle in vain as James turns into a demon.
Aired 12/11/2022EP 8 - The Crimes of the Villainess Are Revealed

I'm the Villainess, So I'm Taming the Final Boss
Aileen Lauren d’Autriche’s wedding plans have been suddenly canceled— by her own fiancé! The shock of this jolted her into remembering she’s been reincarnated in an otome game as the villainess. As she recalls, her fate is one of doom, but maybe she can avoid it by marrying the final boss, the Demon King Claude. Her new game plan— seduce the Demon King and live happily ever after.
(Source: Crunchyroll)