The female protagonist Yang Han first met the male protagonist Liu Huaxuan in the fifth grade of elementary school. They became deskmates by mistake during an exam. Later, after a year of getting along, they developed a crush on each other. They were together in the sixth grade, graduated from elementary school a year later, and separated after half a year of junior high school. The male protagonist mentioned it and then we never contacted each other again, so we missed it.
Purpose: commemoration