"Tokyo Revengers" is a popular manga and anime series created by Ken Wakui. The story follows Takemichi Hanagaki, a young man who discovers he can time travel back to his middle school days. He uses this ability to save his ex-girlfriend, Hinata Tachibana, and prevent her tragic fate. The series explores themes of friendship, loyalty, and the consequences of one's actions. As Takemichi navigates the dangerous world of gang conflicts, he encounters various characters, including members of the Tokyo Manji Gang, and strives to change the future for the better.