After five months with no contact of the team, Hiro constantly battles with the happy memories of Honey Lemon, Fred, Wasabi, and... Go-Go. Now his reluctance to contact the team confuses not only Aunt Cass, but Hiro himself. To get over some painful, beautiful memories, Hiro reverts back to the only thing that comforts him most; bot fighting. One fateful day, Hiro runs into somebody peculiar in the battle arena. After seeing this person, Hiro has to make a decision; reunite with his friends, or go back down to the black?