I'm The Villainous So I'm Taming The Final Boss (Manga) Vol 02

Aileen, having been reincarnated as the villainess, is desperate to evade her death flag at all costs...and what better way is there than attending her ex-fiancé Cedric's engagement party with the demon king Claude? Yen Press
(W) Sarasa Nagase (A) Anko Yuzu