How Does Tokyo Revengers' Time Travel Work?

Tokyo Revengers blasted onto the scene with its 2021 anime debut, marking it easily as one of the best anime of that year. The show follows a young man named Takemichi Hanagaki, a loser with no prospects in life who learns one day that his middle school girlfriend Hinata Tachibana was killed in an accident due to a gang war. When he is later pushed in front of an oncoming train, Takemichi suddenly finds out that he has gained the ability to travel through time, ending up in the time when he was still in middle school.

Source: Gamerant