Synopsis: Machinryu Varion

Demon Dragon Varion / Majinry Barion / Demon Dragon Barion / Majinryuu Baryon / Ryuki Shiba, a boy who loves mecha. Guided by Alice, a small girl robot, he decides to board the giant robot "Demonic Dragon Barion" left behind by his father, who disappeared a year ago. A gigantic robot from the organization "Halloween", whose mission is to destroy the human race, attacks Tatsuki.