Touno Hikari is learning to pilot robots at a training facility. While she cannot do anything right, her instructors are interested in her for some reason. As the students learn to pilot the robots, they become suspicious of the goal of the training facility. Marie Vlaanderen transfers into the facility, and her instructor says that Marie has been training for all of her life and has the best chance of awakening "it".
Une explosion d’origine inconnue a ravagé la plaine d’Hokkaido au 21ème siècle. Quelques années plus tard, toujours à Hokkaido, Hikari Touno, une nouvelle élève, s’entraîne dur au pilotage de robot pour obtenir une licence mais malgré toute sa bonne humeur et sa bonne volonté elle demeure très maladroite. Elle a le don d’irriter sa collègue de chambre Nana mais malgré tout cela, l’instructeur Mutsu croit fortement en elle et en son énorme potentiel.
단 15일만에 로봇 면허를 딸수 있다는 니코니코 로봇 교습소. 하지만 교습소에는 비밀이 있었다. 이 비밀을 알게된 교습생 토오노 히카리는 거대로봇 '다이나기가'에 탑승하기로 결심한다.