In the distant future, humanity faces its greatest threat: the Bydo Empire, a horrifying bio-mechanical life-form capable of corrupting and absorbing anything it touches. Although humans once created the Bydo as a weapon, the experiment spiraled out of control. Now the Bydo exist beyond normal space and continually attempt to invade human reality. After multiple wars and near-extinction events, the Bydo return once again—stronger, more adaptive, and far more aggressive. To counter this new invasion, the Earth Space Corps develops a cutting-edge fighter: the R-90 Ragnarok, a next-generation R-Type