Lin Jing first met Zhou Xiaoguang in the first semester of the first grade of junior high school. She did not expect that she would be placed in a key class. However, in fact, the first monthly exam fully proved that she was mediocre. So after the first monthly exam, she was assigned by her class teacher to Zhou Xiaoguang, who ranked first in mathematics in the class. After a few weeks of getting along with each other, Lin Jing was moved by Zhou Xiaoguang's calmness and patience. He gradually developed a liking for him and studied harder, hoping to be admitted to the same high school as him in three years and have a life not far different from him...