In 2030, the people of the "Swaro Republic," who lost their homeland due to global warming, established the underwater nation of the "Gester Theocracy" with scientific power beyond human comprehension, and began attacking the people of the surface! In a world unaware of this evil invasion, there was one girl who fought against the Gester Theocracy in secret... Her name was "Ina Chikage"! Clad in the transcendent armor "Mellowgain," her ultimate technique, the "Straight Fist Reverse Thrust Hurricane," crushes evil! Super special moves of good and evil characters explode in every episode! Read it and feel the exhilaration, and let your soul of justice burn! "Reincarnated Divine Machine Mellowgain" makes its grand appearance!