C51 Prepare Birthday Present

"What are you afraid of?" Du Jiuyue said unconcernedly: "If someone says it, they must be someone from the Prince Qi's Palace. At that time, just let Sima Qi handle it. In any case, if he does not hand over the letter, I will make it so that he will not be able to rest peacefully for a day. "

Cheng Buying originally wanted to make good use of this sentence. With just this