The two Astronaut Brothers suddenly storm their way into the president of Hiden Intelligence's office! Raiden, who is the Astronaut-Type HumaGear in charge of managing Satellite Zea in space, is frustrated by his superior's decision. As a result, Raiden ends up taking both his younger brother Subaru and Aruto down to Hiden's Space Development Center! But why do A.I.M.S. and MetsubouJinrai.net start to appear all of a sudden?!
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