Time is modern. The largest machine product company "Imperial Heavy Industries" Monopolize the share of "Automata" Demand was spreading not only to industry but also to ordinary households. High school student "Yuto" who attends "Seioh High School" Unfortunately, he gets caught up in an automata runaway incident, but after a short break, the third-generation automata "Nova" saves his life. The hideout was taken to "Nova" as it was, and "Yuto" was assigned a serious task.