She is an indifferent person, because she has seen all the warmth and coldness in the world, so her heart is as solid as ice.
After a mission failed, she was reincarnated into the Qin Dynasty two thousand years ago. She became one of the princesses killed by Qin II in history.
Its name is Yangzi.
Possessing strong martial arts, he is a disciple of the Yin Yang family and lurks in the Mo family in order to catch Li Ji's son.
Hundreds of schools of thought are filled with grievances and disputes. She met the princess of Yan State, the nobles of Chu State, and her mission - the son of Jing Ke.
They are enemies, but they have inexplicable bonds and involvements with each other.
In troubled times, the First Emperor's words can command the world, but she is just a princess and can only obey.
However, fate never took pity on her...
Ps: The heroine is not omnipotent, not a Mary Sue, not a holy mother. But it's pretty strong in comparison.