With their old hideout and bosses wiped out, the surviving Dusters make a secret agreement with the Ranger Force to engage in the weekly Sunday Showdown - one where they will always be defeated. Tired of this charade, Fighter D finally steps up to make a change once and for all!
The story is set in a world where the value of Bikkuri-Man stickers are so high that they have to be transported in a cash transport vehicle. There was also the famous robbery case one year ago, called the "300 million Bikkuri-Man sticker case." One day, a high-school delivery part-timer named Yamato gets involved in a battle over stickers between two competing convenience stores. The Angel Mart owned by the Phoenix store manager is famous for its easy-to-use glitter stickers. The Devil Store across the street also tries to attract Bikkuri-Man fans to their store. Former comrades are divided into allies and foes, and the battle of destiny begins.
The balance of the worlds is maintained by heroes. Suddenly, a red-hot meteor falls upon one of these worlds, called Neo World. An amnesiac youth named Wukong Impulse Gundam appears at the point where it landed. The chaos that starts with this incident spreads through the other worlds, one after another. At the same time, Zhuge Liang Freedom Gundam learns via astrology of an impending disaster. He and his sworn friend Liu Bei Unicorn Gundam take action to save the worlds from this crisis, and begin a journey along with Wukong. What will Wukong Impulse Gundam think as he meets the heroes of each world? Will this youth bring about peace or catastrophe? Now begins a new story of heroes!