so many medical skills. She surpassed her master and naturally wanted to repay him. The old man also had medications he wanted to research, and by working together, their progress would be faster.Only...ike a mountain about to collapse."Baby!!""That's Si Yechen's voice."He rushed over at once, seeing Ouyan's blood all over her body, his eyes reddened with worry.Ou Yan had no more strength left, her w...