Yu-Sha was called out, she stood up with a sullen expression. Her gaze fell on Ou Yan. In front of so many people, she just couldn't bring herself to call her "sister."Luckily, Ou Yan didn't take it s...do you mean"The key is that she knows Qin Zhilan, the president of the domestic piano association. Qin Zhilan is very accomplished in piano playing and has won numerous national and international awar...