The General Is the Prince Regent

Prince Regent Rui, Rowan Thorne, returns to the Capital. She attends her sister Willow Thorne's wedding, but is mistaken for a beggar. Willow Thorne defends her, but is betrayed by her fiancé's family at the wedding. Rowan Thorne uses her power to humiliate the family. She helps Willow divorce, then arranges a marriage with the Duke of Serenity. Rowan and Willow encounter the parents who abandoned them for sons. Rowan decides to make them regret abandoning them.