A global transmission pierces the world: Earthlings are conscripted into the Universe's Armageddon. Ten million beta tester slots unlock across the planet. Arthur, a slum-dwelling teenager, discovers he's been chosen. The Talent Awakening system surges through his body. A catastrophic error erupts within the framework. His SSS-Ranked ability crystallizes: Primordial Summoner—a power destined to bind ancient beasts to his will. Yet the first summon defies destiny. A cat materializes before him. Not the cataclysmic guardian he envisioned, but a small, innocent feline. As virtual reality bleeds into the physical world, Arthur's arsenal transforms. Dozens of legendary summons now answer his command, their collective might standing against encroaching darkness. The SSS-Level Primordial Dragon rises at his call. Reality-warping abilities like Berserk surge through his grasp. What began as cosmic recruitment becomes a struggle for survival—and redemption—as a forgotten boy discovers he holds the power to reshape the world's fate.