The Emperor in Brocade: Master of the Realm

Modern-day martial arts prodigy Lin Yu, reincarnated as a Jinyiwei guard of the Xuanyu Dynasty, accidentally stumbles upon the young emperor Su Yao's daughter. Falling in love with her, he uses his wits and courage to eliminate treacherous villains, quell rebellions, expand his territory, and win over countless beauties, ultimately helping her become the eternal empress and becoming unrivaled himself.