[Machine Translation] A giant flying life form, the Tenshoushi, flies in from the upper stratosphere. Humanity cannot resist its overwhelming abilities.... Humanity's hope rests in the hands of children with special abilities called "Children of the Fireball. Dunk, a deformed man, and Shinobu, a girl with a stealth ability that can deceive even a flying body. Through numerous crises, a solid bond grows between the two. The Tenshou, a celestial being, tries to contain mankind to the earth by using its terrifying ability hidden in the moon. When the "net" extending from the moon, which is divided into two halves, closes, mankind's path to space is also closed! IOSS and the "Children of the Fireball" challenge with all their might to stop the plan of the Heavenly Host. However, a super giant celestial being with overwhelming power stands in their way. Meanwhile, Mam, the IOSS chief executive officer, enters the Heavenly Palace with Ultimum without informing his friends. Using the equipment left behind by his predecessors, he attempts to settle the matter with his own hands...