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. (Source: ANN)

The signing of a peace treaty has secured a tenuous ceasefire between mankind and the Zex, beings who emerged from space/time rifts connected to mysterious, distant worlds. Partnered with a Zex named Rigel, Azumi Kakamigahara must shoulder the fate of her own idyllic world. The unlikely pair head to newly established Fujimisaki Academy, where their destinies await. (Source: ANN)

49-year-old James Lynx was an officer (LEV pilot) in the United Nations global army, one day he received notification that his wife—a Martian scientist—was killed during a lab experiment. Hateful and resentful for letting her go, his children blamed him and cast him aside, depressed and in despair, James quit the military and took up a job as a transporter between Earth and Mars, he had some slight hope of his wife still being alive and to find her he wanted to be out there. After a few years, he seemed to have given up all hope and turned to drinking, until one day he receives an orbital frame by the name of Dolores, sent by his dead wife. Once again, he dares to hope and sets off on a wild and wacky adventure to find the truth and to reunite his family. (Source: AniDB)

Z.O.E. 2167 Idolo takes place a few years prior to the events of the series Z.O.E Dolores, i, and is centered on the Deimos Incident, an act of terrorism by the Mars revolutionaries. The BAHRAM army pilots Radium and Viola are the best in their class, and have such have been chosen to do spearhead testing on a new type of weapon; Mars hopes this weapon will liberate them from the UNSF's (United Nations Space Force) tyranny. This new technology called the Orbital Frame, is powered by an extremely rare and powerful source of energy known as the Metatron ore.