Iwatani Naofumi is 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 only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!

Source: M-U

Note: The first episode received a special preliminary delivery on different web platforms and AT-X. The regular TV broadcast started on 09.01.2019.

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Other: Isekai Quartet 2
Sequel: Tate no Yuusha no Nariagari Season 2