オレたち宇宙飛行士ブラザーズ！

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?!

飛電インテリジェンスの社長室に宇宙飛行士の兄弟が怒鳴り込んできた！ 或人がやってしまったある行為が、宇宙で衛星ゼアの管理をしていた宇宙飛行士ヒューマギアの雷電の逆鱗に触れたのだ。雷電は弟の昴と共に或人を飛電の宇宙開発センターに連れていく。そこに、なぜかA.I.M.S.と滅亡迅雷.netが次々現れて―――。