Xue Yiyang—named Li Ai—and was known in class as a mischievous troublemaker who acted recklessly. During his second year of junior high, Xue Yiyang had a conflict with him, leading to mutual animosity...is my dad's classmate. I happen to be learning the piano too, so he invited me to perform and practice as social practice. My mom also agreed. It’s not what you think because of that sentence." Becaus...