C587 sudden vomiting of blood

With that, Cao Ziyang tiredly pinched his aching forehead. He had never feared or panicked in the face of so many problems, so why was he so flustered in the face of his unconscious son?

The room was silent. Cao Ziyang buried his head and thought for a long time before he raised his head as if he had thought of something: "Hurry up and bring out my needles