A mysterious woman named Ost appears and identifies herself as a familiar of the Spirit Tortoise. With her help, Naofumi and the others begin the desperate battle to seal away the Spirit Tortoise once again.
"It turns out the mysterious monsters that Naofumi and crew were asked to take care of can be traced back to the legendary beast known as the Spirit Tortoise. Meanwhile, the other three heroes have disappeared. What could they be up to? And what will the Spirit Tortoise do next?!"--Provided by publisher
The long-awaited climax of the battle against the Spirit Tortoise has arrived! With Ost's guidance, Naofumi and the others have descended deep into the Spirit Tortoise's body to face off against the mastermind behind it all. But will unexpected guests interfere?
The only way for your own world to survive is to sacrifice another?! Naofumi and company head for the dragon hourglass with one of the four holy heroes of another world, Kizuna. But first, they need to earn some money--and they're going to do just that by putting on strange masks and starting an auction! But when they arrive at their destination, Naofumi begins to feel uneasy
"First published by Kadokawa in 2015 in Japan."--Colophon.
Will the Shield Hero have to rise up from level one all over again!? Naofumi tumbles into a whole different fantasy world after chasing Kyo, the perpetrator of the Tortoise Spirit battle. Separated from Raphtalia and Filo, Naofumi has only Rishia at his side--and finds that his stats are reset to level 1! Forced to attempt a jailbreak, Naofumi encounters a mysterious girl that claims to be one of the four holy heroes. Is she friend, or foe?
Naofumi and Raphtalia do not have much time until the next wave is upon them. As they fight their way through the kingdom, they meet a new feathery companion—Filo! Together, the three travel about Melromarc on a mission to gain the strength they will need to survive the approaching wave of destruction. On the road they level up, become reluctant heroes, and continue to get nothing but trouble from Motoyasu and Myne. Finally, locked in battle with one of the fiercest monsters yet, Naofumi discovers a dark, hidden power. --
Naofumi managed to finally reunite with Raphtalia. But he finds himself with complicated feelings, unable to understand their conflict with Kizuna's world or the true meaning of the waves. Can Naofumi and Kizuna change the fates of both of their worlds by coming together? Meanwhile, Kyo unleashes his dark magic once again!
Along with Yomogi, Naofumi and his companions make their way through a misty forest to Kyo's laboratory. But before long, they find themselves in a trap that they'll need extraordinary means to escape. The heroes gather and charge into a final battle!
"Did he really just start a wave?!" Naofumi and his party have arrived at Kyo's research laboratory. There, they discover countless homunculi, created as vessels for souls. Controlling the body of the mirror hero, Kyo attacks our heroes--and even has another deadlier weapon up his sleeve.