The suspension of student council president, Toyotomi Hideyoshi, has created a power vacuum at Basara Academy. Now, Date Masamune and Sanada Yukimura find themselves vying for the top spot. But they aren’t the only ones with their eyes on the prize.
Ordinary high school student, Rikugou Tokidoki, has to take supplementary History classes, to boost his failing grade, at a state-of-the-art museum. This museum allows the visitor to use high-tech virtual reality to reconstruct a realistic Edo of the Bakumatsu period. However, once the simulation begins, Tokidoki is attacked by a strange creature. After something happens to his left eye, he realizes that he is not wearing the VR goggles - it is no longer a simulation; he's trapped in the virtual world and has no way of getting back.
R.D. is a delivery boy who works for a company called Mach Storm in order to earn money to search for the legendary Alpha Zoid. A Zoid that he heard rumours about from his dad that he passionately believes in. Mach Storm also doubles as a Zoid Battling team. In R.D.'s first Coliseum Zoid Battle, he encounters a team that can fuse Zoids. R.D. soon discovers that he has a Zoid that can computably fuse with his Zoid, Liger Zero. After this happens R.D.'s adventure to discover the truth about the Alpha Zoid begins.