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 played were never published on the market. There is a high probab...ch Ou Yan's chin, but Ou Yan dodged.Several other young locals came up and, with laughter, were about to assault Ou Yan. Just as Ou Yan was about to fight back, someone jumped down from the eaves, kic...