Chen An, a pessimistic and passionate girl. He was very smart, but he ruined himself by relying on his intelligence and not working hard.
In her messy and shabby life, one night, she thought that she might have lived a better life if she had not wasted her talents on studying.
Unexpectedly, when she opened her eyes, she actually returned to her high school days.
Overall it's a warm and positive life-changing story.
Intention: Only by working hard can you save yourself