The heroine Han Muying met Gu Yichen at a school opening ceremony. Because the heroine was in first grade at the age of 5, she was in the second grade of junior high school at the age of 12. However, the hero repeated one year due to illness and was in the same grade and in a different class as the heroine. However, this did not prevent the heroine from having a secret love. In the end, the heroine got her wish.
Intent: Childhood regrets