Even a single, living heart beating within one's chest.,Lu Tingyun was a man who knew his body well, of course he knew why he was changing. But he had clearly arranged to put sleeping pills in Su Yun's water cup, how come — this medicine,"I am Lü Tíngyún!" Lü Tíngyún couldn't believe his ears when he heard Su Yūnnuan casually say those words.。