For you were affiliated with Manjiro Sano and the Tokyo Manji Gang in middle school due to particular reasons. Becoming great friends with all of them especially Manjiro Sano, but in particularly within time. The gang itself had changed then what it was originally made for. Events that had weakened Mikey and as Takemichi Hanagaki changed all their lives even yours. For yourself were now back in middle school, trying to save Manjiro Sano from himself through letters from your future self.