Game Invasion: I Chose the Weakest Class, Summoner

The real world and the game world merge, monsters descend, and hordes of beasts rampage through the city.To eliminate monsters in the dungeons, every person with player qualifications must hunt monsters, choose a class, constantly become stronger, and protect human cities from destruction.Elemental mages, fire and ice, destroy everything! Holy Knight shield warriors, even if Mount Tai collapses before them, they remain unfazed.But Han Yu, who was highly anticipated, chose the Summoner class, which even dogs wouldn't choose."Summoner? Someone actually chooses this class? Isn't it a class that even dogs wouldn't play?""Who would team up with a Summoner? Just let him grind alone. The two creatures he summons aren't even enough for me to step on and kill.""I heard he has pretty good talent, why did he think so short-sightedly and change to a Summoner?"Until...