Across the Starry Sky: Ragnarok

In 2500 AD, the cosmic civilization probe Voyager 20 mysteriously disappeared. In order to investigate the matter, the Space Administration of Country M established a temporary investigation team. As the investigation unfolded step by step, basic physicist Gao Tianci discovered a stellar civilization. Since then, the crisis on the earth has continued to come. Faced with the attacks of alien civilizations again and again, Gao Tianci finally realized that all this was just a game of a god-level civilization...