y had one question in her mind: why could she perform so well without any preparationOver the years, Li Yusa has heard quite a few niche piano pieces. She can be sure that the melodies Ou Yan just pla...e wasn't sure whether to feel joy or guilt.Xiao Zhu knocked on the ground floor window and flashed a mischievous smile. "Sir, Miss Ou Yan is..."Before she could finish her sentence, she saw Li Yushasa...