S1, E5: The patent infringement lawsuit filed by Tsukuda Factory and Gear Ghost against Kay Machinery finally moves forward, and they confront their nemesis Nakagawa directly. Tonomura, who has decided to retire, and the other employees watch with anticipation for the fateful judgment. Zaizen is instructed to leave the Stardust Project and joins a department for new business development related to rockets. Somehow, Zaizen finds himself harvesting rice with Tonomura and other members of Tsukuda Factory and realizes what is truly important.