A broken engagement comes with insults. If you want to break off the engagement, then I'll declare the broken engagement to you first.

Duke's Daughter Aurelia witnesses her fiancé, the Crown Prince, speaking ill of her in the courtyard of the magic academy, calling her a boring woman. Beside him is Emily, a commoner who became a baron's adopted daughter, and seeing the two of them embracing and flirting together, Aurelia makes a decision. If you're going to say you want to break off the engagement, then I'll do it first. A story in which the Crown Prince declares the engagement broken at a ball, but Aurelia turns the tables and breaks off the engagement first.