"I will see to your punishment. Come at me!" Yomogi, a female samurai, attacks Naofumi and his team. The Shield Hero, Naofumi, finds himself separated from his companions–and reduced to level one! With the help of Kizuna, one of the holy heroes from the new world, he is able to reunite with his friends. Naofumi prepares to battle their enemy Kyo, but then Yomogi attacks, declaring she is acting on Kyo's behalf. In the middle of battle, Naofumi notices something strange about her powerful weapon–but what is it? Find out in volume nine of this otherworldly revenge fantasy!

“I wasn’t expecting you to be in cahoots with the queen, that’s for sure.” Having defeated Kyo and left Kizuna and the others behind, Naofumi and his friends return to Melromarc. The Spirit Tortoise has left a deep scar on the world’s nations, including their own Melromarc. Now with the objective of preparing for future struggles against the waves and the deadly Phoenix, for some reason Naofumi heads straight to the slave trader?!

“I also want to get stronger. So I don’t lose anyone ever again.” Motoyasu and friends come to a small village to investigate the corpse of a dragon slayed by the Ren, only to find the site turned into a tourist attraction. Soon after, Naofumi takes a dragon girl, targeted by adventurers seeking the dragon’s treasure, into his protection. This young girl is soon faced with a harsh truth...and a glimmer of hope.

After meeting with her brother Issa, Sayu learns that she has just one week left. In order to allow herself to look to the future, Sayu steels herself to reveal the events of her past to Yoshida and Asami—an intense past buried in trauma and regrets. “In my second year of high school . . . I was all alone.” Sayu’s past, at last unveiled. The reason she left home. The truth is finally brought into the light!

Naofumi is summoned to another world to serve as the Shield Hero. After a long struggle, he finally succeeds in exacting punishment on the king and princess Myne, the ones who framed him, and makes it widely known that the accusations were false. Then following a meeting with the other heroes and his party’s class-up ceremonies, Naofumi and crew set out for the Cal Mira islands to continue leveling up. There they meet the mysterious young man L’Arc Berg, but things are not quite what they seem! The otherworldly fantasy about the Shield Hero’s indomitable rise from the depths of despair continues!”

Kanoko has realized she's in love with Iwai Soma. She becomes conscious of this as they work yet another case. While lost in her fluffy feelings she is kidnapped by Shiro, the notorious criminal they've had to deal with all this time.

Naofumi Iwatani continues his adventure in this second volume. But his task is not yet complete and obstacles mount as the increasingly ominous waves of destruction approach. He finds a new friend and new powerful abilities that may prove to be too dangerous for the companionship. Will Naofumi live up to his role as the Shield Hero and save the world from its prophesized destruction? Or will his dark side consume him?