Yan Nian'an's life is like a chess game. She is like a powerless chess player, or rather, she is like a chess piece. She has been accused by "herself", her sister Yanqing.
When all the truth emerged, Yan Nian'an's unwillingness and helplessness swallowed her up like a tide and pulled her into the abyss...
The red thread did not retain the person who studied An Ai, and she knew that exchange would become a more reliable red thread.
When Yannian sat down in the same position as her sister, looking at herself in the mirror wearing a conductor's uniform, her consciousness was drawn to herself secretly wearing her sister's conductor's uniform...
Everything is over, Yannian'an used an exchange to keep her sister Yanqing, and she finally obeyed "herself".
Purpose: to protect