Takemichi Hanagaki is the main protagonist of the manga and anime series Tokyo Revengers. He is a 26-year-old man who finds himself traveling back in time to his middle school days after learning about the tragic fate of his ex-girlfriend, Hinata Tachibana. In the past, Takemichi becomes involved with the Tokyo Manji Gang, a group of delinquents. His goal is to change the future by altering events in the past, ultimately aiming to save Hinata and prevent the gang's violent path. Throughout his journey, he faces various challenges and learns about friendship, loyalty, and personal growth.