Naofumi wakes up in a strange prison to find him and his party at level 1, and Filo missing. They start to raise their levels in order to escape, but things quickly turn against them when a dangerous monster suddenly appears…
Iwatani Naofumi. One of the Four 
Cardinal Heroes. The Shield Hero.
إيواتاني ناوفومي. أحد الأبطال القدّيسين
الأربعة. بطل التّرس
Ich bin Iwatani Naofumi, einer der vier Helden.
Der Held des Schilds.
Naofumi Iwatani.
El héroe del Arma Sagrada del Escudo.
Naofumi Iwatani.
El héroe del Arma Sagrada del Escudo.
Je suis Naofumi Iwatani,
le héros au bouclier.
Sono Naofumi Iwatani, l'Eroe dello Scudo, 
uno dei Quattro Eroi Sacri.
Iwatani Naofumi. Herói
Cardinal, Herói de Escudo.
Наофуми Иватани.
Один из Четырёх. Я Герой Щита.