Juncture Of Regrets

A teenage boy regrets every mistake he made, gets a second chance when he wakes up in the past before everything happened. He decides to make things better for everyone and fix all his regrets.
The boy sets out re living his life. His plan to fix everything but a gift like this comes with consequences. A secret game is on between two people of the same power. The winner stays alive while the loser erased from time.
This is the story of Alex Crowe.