20 years after the robot Dandivine defeated the mysterious Aposdoll, the world is now at peace. However, toy manufacturer Kasuga, which relied on its Dandivine merchandise, has declined. Thus, Kasuga's president Genjuro Shijima prayed for Dandivine's revival, and the Aposdoll suddenly returned. High school student Gekiha Shijima gets an invitation from his uncle Yusaku Kuroiwa, the former main pilot of Dandivine, to pilot the giant robot himself.