Saigo ni Hitotsu dake Onegai Shite mo Yoroshii Deshou ka

Scarlet has put up with her fiancé’s bullying long enough. Not only is Second Prince Kyle arrogant and crude, but he suddenly called off their engagement during a ball. And if things couldn’t get any worse, he then accuses her of a crime she never committed. Fueled by betrayal, Scarlet unleashes her rage, giving the prince and his nobles a beatdown they’ll never forget.

(Source: Crunchyroll)