Li Youan, a social animal, was transformed into Li Si's eldest son, and was bound to a magical machine. Make a high-bridge saddle and double stirrups with your own hands, and save your innate energy to improve your body-building furnace. He interrogated the Baiyue remnants at night, saw through the disguise of the young Yan Lingji, and used the principle of destroying Han to turn the enemy into a friend. After three months, he visited the east to report on his work, and the inventor and county governor used black technology to support the Qin Dynasty!