I'm the Villainess, So I'm Taming the Final Boss is a oNA (web) anime that premiered in fall 2022, produced by Maho Film.

About the production: the story comes from a light novel, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are comedy, fantasy, romance and supernatural, with themes such as Villainess, Heterosexual, Female Protagonist and Demons.

On AniList, I'm the Villainess, So I'm Taming the Final Boss has an average score of 71%, a good score, and appears on 73,746 users' lists.

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)

Official synopsis from AniList.