Having claimed his victory at the coliseum tournament, Naofumi successfully frees the demi-human slaves to return to their village. When they arrive back at the village, Naofumi receives news on the whereabouts of Motoyasu, the Spear Hero. In order to capture him, Naofumi organizes a manhunt, but it leads him to a scene of carnage involving the Sword Hero, Motoyasu, and Bitch. "If that's all you can say to your friends that believed in you . . . You're not worthy of being called a hero. You're not even worthy of being called a human!" Faced with an unchanged Sword and Spear Hero, Naofumi completely loses it! In the midst of all of this, assassins after Naofumi's life suddenly appear, and everything spirals out of control! The time to cut past ties has finally come in volume eleven of this otherworld revenge fantasy!?

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