C21

"I'm afraid I have to leave. Let's part here and meet again later." Yang Chao seemed to be in a hurry as he bid farewell to Zhang Tiandong as soon as he entered the White Cloud City.

After Yang Chao left, Zhang Tiandong took a few steps and suddenly stopped with a serious expression.

Sun Xiaoxiao stepped forward and said, "Tiandong, what's wrong?" What happened? "

Zhang Tiandong murmured