The Emperor blew his fingers, which were numb with cold as he stood up and walked to the bookshelf to fetch a book. A moment later, he heard the continuous patter of raindrops. He pushed the window open and looked at the night rain. It was a little cold in the night rain. The Emperor soon closed the window, went back to his table and sat down. Then he fixed his gaze on the oil lamp and lost in his thoughts. A figure showed up outside the Imperial Study unnoticed. A teenage in white robe showed up outside the Imperial Study, carrying a sword case on his back and holding an umbrella in his hand. Disregarded the Manager of the Ceremony Department, who was on his guard for all possible danger, he folded his umbrella, stood under the eave and put his umbrella by the door. Then he looked at