Tokyo Revengers

Takemichi Hanagaki hasn't really made a success of his life. He works dead-end jobs, and when he learns that the only girlfriend he ever had in middle school, Hinata Tachibana, was killed by the ruthless Tokyo Manji-kai gang, he is devastated. The next day, still in shock, he is pushed onto the train tracks at the station during a crowd surge. But Takemichi doesn't die, and when he wakes up, he is back twelve years in the past. He will thus rediscover his best years, but also try to save the one he loves and get his revenge on life…