In the distant interstellar era, young Lin Doudou accidentally broke into the Galaxy Mecha Academy. Through complaints and laughter, he met comrades with different personalities such as Lei Anne, Mu Dazhuang, Luo Xiaocha, etc., And together they accepted the most arduous training and tasks of the legion. The interstellar war broke out, and the Earth Alliance and the Sirius Empire continued to dispute. The teenagers piloted their own mechas and participated in the resistance, growing from recruits to heroes along the way. In the intertwining of humorous daily life and tense battles, the talented teenagers uncovered the secrets of the hostile forces, and at the same time gradually matured in friendship, love and responsibility. In the end, the team worked together to prevent a galaxy-level "ultimate crisis" and wrote a steel legend full of laughter, blood and touching.
