The far future. Susumu, an otaku who belongs to the National Aerospace Academy, was taking his graduation test on the spacecraft "Naglfar" with his support AI Minerva. When it was over, they planned to watch the movie version of "Magical Girl Pretty Cure." Thinking so, Susumu goes to cryrostasis. However, when he woke up, he didn't think that he would wake up to Earth after its decimation.