The Puppet Emperor's Revenge

Zayne transmigrates into the 'simp emperor' of Grand Qian. Original emperor bullied by Queen Rowena Quinn, died. Zayne deposes Queen, revenges her lover Miles Shelby, executes Quinn clan, places Empress Dowager under house arrest, and foils his sister's plans. Crafts firearms to repel Northern Hordes. From puppet to sovereign, he takes Willa Lynn's hand, securing his throne.