Rebirth
Background before rebirth: Yukimura Seiichi's younger sister, Yukimura Ryozuki, is a time traveler. Yukimura Seiichi is not sick and wins the Tatekai Grand Triple Crown. Fuji Shusuke and Yukimura Seiichi go to the same university and play tennis together.
After Fuji was reborn at the end of the anime U17, he chose Rikkai University to attend high school.
Lightning protection: The author is still unclear>.
Intention: The future is infinitely good