Rising of the shield hero (Manga)

"Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction. As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with...

Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction. As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with...

Naofumi has been magically summoned to another world as the legendary Shield Hero, but all that awaits him there is betrayal and heartache. Finding nothing but opposition and strife Naofumi makes his way to another country within the realm. But suddenly terrible waves of destruction arrive to desolate the world! To make matters worse, the country that he is supposed to be serving has just accused him of kidnapping the princess!

Naofumi and his friends meet Fitoria, the queen of the filolials. But in order to fulfill her own objectives, Fitoria challenges Filo to battle! What's more, the Spear Hero, Motoyasu, utters something absolutely shocking. In the midst of despair, when all seems lost, what will Naofumi do?

"It turns out the mysterious monsters that Naofumi and crew were asked to take care of can be traced back to the legendary beast known as the Spirit Tortoise. Meanwhile, the other three heroes have disappeared. What could they be up to? And what will the Spirit Tortoise do next?!"--Provided by publisher.