A World-Ending Horror, and You Caught It with a Poke Ball?

【Eerie dungeons, Poké Balls, overpowered hero, comedy】 Eerie beings invade the world, and countless eerie dungeons appear, randomly pulling players in to face their adventures. Qin Yu unexpectedly obtains a Pokemon Capture System. Through daily sign-ins, he can get Poké Balls, capture Pokemon, and earn rewards. But this is a world of eerie beings. What use is a Pokemon System here? Until... “Congratulations, you've become a guest at the Cozy Cottage. Please follow the rules and be a polite guest.” A cold voice rings in Qin Yu's mind, making him shudder. The Cozy Cottage is a low-level eerie dungeon, and also one of the deadliest. Qin Yu worries that he, too, might become one of its victims. But suddenly, a line of text appears above the cottage owner's head. 【Ghost-type Pokemon: Bound Spirit (LV7)】(Capturable) “You call eerie beings Pokemon?” Qin Yu is stunned. Then a bright smile spreads across his face. “So this is what Pokemon are? Then I won't hold back!” He throws a Poké Ball, and the owner becomes his Pokemon. To capture more Pokemon, Qin Yu actively enters eerie dungeons and catches one eerie being after another. The livestream viewers are utterly bewildered by the sight. “Is this still an eerie invasion? Why does it feel like he's invading them?” One day, an apocalyptic-level eerie being invades. Qin Yu throws a single Poké Ball and captures it, leaving everyone in a complete meltdown. “That's an apocalyptic-level eerie being, and you caught it with one Poké Ball?”