[A non-human protagonist + the Fourth Calamity + farming management + behind-the-scenes plot + group portraits + search-and-fight] Le Ang, caught in a summoning ritual by a descendant of a noble, travels back in time as a gray rat hiding in the basement of a noble mansion, unexpectedly gaining the ability to summon players from Blue Star. Upon seeing the virtual reality game's realism, the Blue Star players, whose consciousnesses were summoned, become obsessed with their respective in-game characters—rats. As the game planner and the NPC boss to the rat players, Le Ang, while expanding his power through the supplies brought back by the players, learns extraordinary knowledge of this world from the descendants of the nobles... Gradually, Le Ang discovers that he has mastered alchemy. He transforms the frail rat players into his own creations. Flying squirrels with bat wings, muscular giant mutated rats...

Starnet Zero Project Is independently promoted by stars, spreading star network terminals and spreading to the entire universe. Starnet One Monitors all the protagonist villains, scans the Fate Energy, and analyzes the Fate Mechanism. The Starnet II program records the knowledge and culture of all civilizations in the universe and supplements the expansion engine's computing power. The Starnet III project scans the mysterious star domains that exist throughout the known universe. The Starnet IV project cuts off the multiverse connected to the universe and dominates the universe.