C25 turbid water

"Who is it!" As soon as the door was knocked, an alert voice rang out from within the room.

"I, Tan Ziqiao!"

"Kiss." Dou Jianming opened the door: "Lord of the Police, why aren't you sleeping yet!"

Tan Ziqiao retorted, "Didn't you also not sleep?"

Dou Jianming said in a low voice, "During the day, when I was reading, there was a small problem I couldn't figure out. In any case