College student Iwatani Naofumi is reading a book titled "The Records of the Four Cardinal Weapons" in the library when he is suddenly summoned to another world and told he has to save the world as the Shield Hero, one of the Four Cardinal Heroes. And one morning, he finds all his money and equipment gone.
Our world teeters on the 
brink of destruction.
يتأرجح عالمُنا على حافّة الدّمار
Unserer Welt droht
derzeit die Vernichtung.
Este mundo está al borde
de su extinción.
Este mundo está al borde
de su extinción.
Notre monde court
actuellement un grand danger.
Questo mondo è sull'orlo della distruzione.
Nosso mundo está à beira da destruição.
Только представьте,
наш мир на грани погибели!