C44 Bai Ya's Visit
I was stunned when I heard that, and then I asked him: "Father didn't let you kill her at the time. Why did you attack her now? If she was killed on the road, even if it was not done by you, the Emperor would still pursue the fault of you and father. Furthermore, the matter was done by you guys!"
Father did not let me kill her back then because keeping her is still useful