Xu Jingshu from the second grade class one was cold and didn't talk much. If she hadn't been punished by the teacher for every math... more>> class, she probably wouldn't have had much of a presence in class. The transfer student Chu Youning appeared and he was attracted by her sweet smile. Hence, one afternoon, someone saw the scholar-tyrant Chu Youning teaching Xu Jingshu mathematics in the self-study room upstairs. <<less