Tadao nagahama's romance super robot trilogy starts with chou denji machine voltes v. in ancient times, people from planet campbell left their home to explore new worlds. led by scientist oreana, they landed on earth but were delayed in their mission. later, in the 21st century, oreanas group reactivated and began their plan to conquer earth. the only defense against the giant biomechanical slave beasts of the campbellians is the super-electromagnetic robot combattler v and its pilots.
Ichirou Mizuki, The Bluesun Four
Columbia Yurikago Kai, Ichirou Mizuki