Akira Akebono is a young boy competing in a robot tournament where many of the robots can transform into animal forms. Akira aims to win the ultimate prize, the Titan Belt, with the help of his group of robots, all of which are capable of combining to form the robot Daigunder. Daigunder was created by Akira's father, Professor Hajime Akebono. Together with a girl named Haruka, they compete under the name Team Akira. However, Team Akira faces opposition not only from their rivals but also from a robot named Ginzan, who is under the control of the evil Professor Maelstrom.