From the Time When Wan Jian Returned to His Clan and Began to Conquer the Qin Dynasty

A person from later generations traveled through time and became Ying Heng, the second son of King Qin, who had been with the system since he was a child. Facing his cheap father who has not yet taken charge and is controlled by Lu Buwei, four-year-old Ying Che clenches his little hands, ready to seize this opportunity and take the first step to change his destiny in this familiar and dangerous world.