My Fiancé Chose His Mistress, So I Took His Throne

Hidden mafia heiress Alessia sails to Empire City to meet her arranged fiancé, Lucian. But when his vicious mistress wrecks her yacht and Lucian orders her legs broken, Alessia summons her father's fleet. By sunrise, the Graves family has lost its docks, fortune, and empire—and she is their new Don.