Gu Yu was originally a modern otaku who was soft-spoken and full of slutty words. Once he traveled back to the war-torn ancient times, he became a "good-for-nothing bastard" who was abandoned by his family. His family cruelly sold him as a dead soldier, but they didn't know that he had his own "saucy system" - as long as he said something shocking, he could get attribute points, skill cards and even summon magic weapons! From then on, he defeated the enemy with his words on the battlefield, cried out to powerful ministers with jokes in the court, and changed his fate while making fun of himself. In this troubled world, he has the final say