After Being Reborn, I Chose to Repeat Three Years of High School to Earn a Down Payment

Straight-A Student Goes Back to Middle or High School to Study Hard

Something similar to "My Second College Entrance Exam: After Being Reborn, I Will Get Into Tsinghua or Peking University" or "After Being Reborn, I Only Want to Study Hard." I do not want someone in their thirties or forties being reborn and becoming flustered or sexually interested in children, nor do I want bullying or other random nonsense. I just want a calm, smooth story about studying hard and making up for past regrets!