I was about to take a shower when the phone rang in the middle of the night. You know, my parents were asleep at that time, and only my brother was left in the living room with his laptop. When the old man saw the phone number, he moved toward the bathroom and said, "Your friend." After that, he brought the phone over, and a familiar voice came from the phone. "Hey?" "It's me, are you free tomorrow afternoon?" "Um, what are you doing?" "That's it, Master Yao said tomorrow afternoon ...