The concubine's older brother, the assassin × the legitimate younger brother, the prince~ The king of the Jing Dynasty has three sons. The youngest one is only 12 years old, named Jing Yan. One day, in the mansion, Jing Yan met an assassin. He never expected that this assassin would help him ascend to the throne step by step, but... (Start the introduction~)
Who are you, that little prince? I gave you so much money and you didn't kill him? ! !
He... Is my only relative! He is my brother!
Intention: I will risk my life to protect you in the darkness behind you