While Yuga is gone, a giant machine with caterpillar track closes in on his Road Laboratory. The one who is driving it is Zomyoji Caterpillio, the mechanic of the Machine Cavalry Duel Club! Caterpillio uses his demolition techniques to get closer to the laboratory. However, his outrageous actions shall not go unpunished! For the beautiful girl with a strong sense of justice, Kamijo Haruka, is here!