En mann kun utstyrt med et skjold utpekes til å være en av verdens store forsvarere. Når ryktet hans ødelegges av et grusomt svik, må han forsøke å gjenvinne tilliten til folket samtidig som han kjemper mot ondskapen.
EPISODE 1
The Shield Hero
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.
EPISODE 2
The Slave Girl
Naofumi follows the slave merchant to his store, where he looks for a partner to act as his sword. But all he has the money to buy is a diseased demi-human girl named Raphtalia, whom he then forces into an incredibly harsh battle.
EPISODE 3
Wave of Catastrophe
Naofumi has obtained many abilities and skills, and his teamwork with Raphtalia is improving as well. To prepare for the incoming Wave, he upgrades their equipment and heads to the dragon hourglass to find out exactly when it will arrive.
EPISODE 4
Lullaby at Dawn
The Wave is gone, but Naofumi's relief is short-lived as Motoyasu challenges him to a duel. Motoyasu insists that owning a slave is unbecoming for a hero and that Naofumi free Raphtalia at once.
EPISODE 5
Filo
EPISODE 6
A New Comrade
Kaito Ishikawa
Asami Seto
Rina Hidaka
Takao Abo
Aneko Yusagi
