Li Laigu was a coward who died in his previous life, and his good life was ruined. As a result, God was willing and made him go back to the time when he was about to go to high school. That couldn't be in vain.
At first, he only thought that this was a dead end. Chu Raoming didn't want to ruin his entire chess game for a small person, but sometimes it was not possible to avoid it.
Rebirth vs Time Travel
Purpose: Don't do anything you regret