Watching the news, Takemichi Hanagaki learns that his girlfriend from way back in middle school, Hinata Tachibana, has died.
At the height of his rock-bottom life, he suddenly time-leaps twelve years back to his middle school days!!
The only girlfriend he ever had was just killed by a villainous group known as the Tokyo Manji Gang.
To save Hinata, and change the life he spent running away, hopeless part-timer Takemichi must aim for the top of Kanto’s most sinister delinquent gang!!