Online Game: Starting With SSS-Ranked Summons

When a global announcement shatters the mundane life of a teenager living in the slums, Arthur finds himself thrust into a cosmic battle known as the Universe's Armageddon. Selected as one of the lucky participants, he eagerly anticipates awakening his legendary abilities. However, his excitement turns to dismay when he discovers his talent is a rarity: an SSS-ranked Primordial Summoner. Instead of a fearsome beast, he summons an adorable cat, leaving him both bewildered and frustrated. But as the game merges with reality, Arthur quickly realizes that his fortunes are about to change. With each challenge he faces, he unlocks powerful legendary summons and skills, including a mighty primordial dragon and the ferocious skill "Berserk."