In the middle of a ball, Scarlet's fiancé, Kyle, suddenly calls off their engagement. She's falsely accused of being a bully and people unfairly call her a "Villainess." The aristocrats and noble families all denounce her. For years, she had to put up with his abuse and idiocy, but she can't take anymore of it! At her wit's end, she asks for one last favor; to give him a good fist in the face. So begins Scarlet's story of revenge against Kyle and his cronies! A fantasy about an elegant yet rebellious fighter, who doesn't let anyone take advantage of her!!
 
(Source: Alpha Manga)

An engagement broken off at a ball.
 
It was supposed to be a cliche scene condemning a villainess...
 
In the middle of a ball, Second Prince Kyle unreasonably announces that he is canceling his engagement to Scarlet, a duke's daughter. Furthermore, he announces that he has a new fiancée, and they make baseless accusations against Scarlet. Scarlet had endured years of torment from Kyle ever since they were young, all for the sake of their engagement, but she could hold back no longer... 

"This is my final request. May I send this stupid bitch flying?" 

The fair duchess Scarlet clenches her fist and dances! 
(Source: Crunchyroll)

__Agency:__ I'm Enterprise

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The engagement between Scarlet, a noblewoman from a ducal family and the Second Prince Kyle was suddenly annulled during the ball.
 
She had been falsely accused of harassing a girl called Terenezza, daughter to a baron, whom the Prince doted on heavily.
 
Condemned by everyone around her, forced to burden all manner of crimes, she finally decided enough was enough.
 
“Before I leave here, may I ask for one final thing?”
 
As the crowd threw their boos and jeers, and that good looking guy flung his insults──
 
Her palm spun like a drill and the ballroom floor was stained with blood.

Julius Von Pallistan