The Two Years When the School Bully Changed His Mind

Ten years ago, Bai Ranran was gentle, courteous and thrifty, unshakably ranked first in her grade. Ten years ago, Lin Jingnan was arrogant and arrogant, ranking last forever. The 821 names on the scoreboard were like a parallel line, putting them on both sides. One day, Lin Jingnan went back to ten years ago. The first grader was so silly and cute. Why did the first grader always avoid him? Why is the number one in the grade so afraid of him? In order to change his impression on this girl, he decided to change his mind and start a new life! There are 821 steps on the achievement list, I am walking towards you.