C433
The person who called was Yang Xin.
According to the usual pattern, after Chiang Kaiwen went out with them, Yang Xin and the others wouldn't send her out to play so quickly. They also knew that it was impossible for Chiang Kaiwen to go out with them after such a short period of time.
Chiang Kaiwen picked up the phone. Although Yang Xin did not switch calls from time to time