“I just kept fighting powerful opponents and finally reached Rank S.” After saving the Village of Elves from the Trycenian invasion, Kelvin is approached by Leonhart Gaun, the king of Gaun, who starts off by saying that he acknowledges Kelvin as a Rank S adventurer. Soon after, Kelvin finds out that as part of the festivities held in honor of his promotion, he will have to fight a fellow Rank S adventurer, “Ice Princess” Sylvia. Despite having already reached the pinnacle of the adventuring world, this battle junkie continues to seek more power and new challenges, sharpening his claws in preparation for his upcoming encounter with true strength. Join this black-clad warrior for a stunning spectacle in this sixth volume of his epic journey!

Kelvin, the battle junkie Summoner from another world, continues searching for powerful opponents even after becoming a Rank S adventurer and defeating the Demon Lord. He receives an invitation to Gaun, the Country of Beastkin, where two things are about to happen: a Naming Ceremony for him as a Rank S adventurer and the Beast King Festival. The former is good and all, but what really gets his blood pumping is the latter, which turns out to be a tournament hosted at the Gaun Mixed Fighting Arena, where all the greatest fighters from across the continent are expected to show up! As Kelvin and his companions continue making their way through the rounds, they encounter not only Goldiana’s sister disciple, but also a mysterious young girl who seems strangely similar to Sera. Who is she and what does she want? Come along for the ride as this black-clad Grim Reaper and his friends confront powerful foes one after another in the sixth volume of this epic journey!

“Well, that’s because we have no doubt that we can beat you!” Ever since arriving in a new world, in possession of rare and powerful abilities that he acquired by bartering away his memories, Kelvin has steadily continued building up his party by gathering powerful allies one after another. Now, the threat of a demon — a race only told of in legends and stories past — looms over Parth, the City of Peace. As the most powerful party in the area, Kelvin and his allies are tasked with the investigation and handling of this new threat — only to walk into a life-and-death fight with a Rank S opponent! Our snarky, fun-loving battle junkie faces his most formidable foe yet...but luckily, he’s got some of the most formidable allies around to combat them! The exhilarating battle fantasy journey continues as this black-clad warrior and his companions continue to leave their mark upon the world!

“I’m in a pinch, all right. And that’s why I’m having such a blast!” The battle between Kelvin and “Ice Princess” Sylvia, a fellow Rank S adventurer, kicks into high gear! She displays an uncanny knack for battle and possesses a skill that completely nullifies all magic attacks! Kelvin is immediately on the ropes but soon launches his own counterattack! Hang on to your seats for this white-hot showdown between our favorite black-clad battle junkie and one of the world’s greatest fighters in this seventh volume of his epic journey!

“I’d rather put my life on the line than use Kelvin as a decoy!!!” The Beast King Festival arc continues as Kelvin and the gang join the battle in several groups—Rion, Efil, and Gerard against a mysterious old man; Kelvin against Ange; and Sera against Condemner. It seems Ange has a thing for Kelvin, but it comes out in a desire to claim his head! Too bad for her, though, as the feeling is mutual, and all this fighting is only making Kelvin fall for her harder! Will he somehow be able to calm her down and recruit her, or will she succeed in taking his head first? Or worse, will Kelvin be forced to kill her?! Who wins? Who loses? Will the trio make it in time to save their leader? Can our favorite battle junkie hold on when he’s already died once? And who is the mysterious yet oh-so-familiar girl that Sera is fighting?

“We can go all out here. So, let’s do it!” Kelvin’s battle with the Demon Lord reaches its climax! But his Mara Pisuna skill proves to be a wall. Among that and a host of other difficulties, how will he and his party land the killing blow on their archenemy? And once the fight concludes and all the pieces fall, will Trycen be able to recover? Will Kelvin ever be the same—if he manages to survive? With many of his problems yet to be resolved and more on the way soon, Kelvin's future is constantly changing. All the while, the mysterious Apostles creep ever closer to their goal... The conclusion to this exciting arc promises to be action packed!

“We get to fight the Demon Lord and the strongest fighter on this continent! HELL YEAAAAH!!!” While interrogating Prince Azgrad, Kelvin determines the true mastermind behind the Trycenian war: the Demon Lord himself. Raring to take on this new threat, he forms an unlikely alliance and comes up with a way to infiltrate Trycen’s capital city, where he encounters General Dan D’Alba, the country’s most powerful fighter. After discovering that General Dan is yet another victim of the Demon Lord’s brainwashing, Kelvin manages to enlist his aid before breaking through the barrier protecting Castle Trycen and launching a fierce onslaught. Meanwhile, the man who once pressed our favorite battle junkie into a corner, Clive, makes a reappearance within the castle walls. How does his return bode for the nobles gathered there in celebration? Join us in the tenth volume of this epic journey as Kelvin and his companions launch a counterassault and bring the fight to the Warrior Nation of Trycen!

“We can go all out here. So, let’s do it!” Kelvin’s battle with the Demon Lord reaches its climax! But his Mara Pisuna skill proves to be a wall. Among that and a host of other difficulties, how will he and his party land the killing blow on their archenemy? And once the fight concludes and all the pieces fall, will Trycen be able to recover? Will Kelvin ever be the same—if he manages to survive? With many of his problems yet to be resolved and more on the way soon, Kelvin's future is constantly changing. All the while, the mysterious Apostles creep ever closer to their goal... The conclusion to this exciting arc promises to be action packed!

“We won’t let them walk the same path. Not as long as we exist...” Kelvin’s encounter with the Apostles in Gaun is finally over, and it ended with him successfully winning over Ange. But she has some unsettling news about the rest of the organization she belonged to and their sinister goals... After a quick debriefing, it’s off to Deramis! Their mission? To meet up with the nation’s leaders and learn more about their new enemy. But the road there isn’t guaranteed to be smooth, and what will they even do with the information? Read on to find out!

“You sure are powerful—far more than anyone else I’ve ever fought!” After Kelvin’s party gains its newest member—Rion, a Hero summoned from Earth—they all head for the Forest of Crests, arriving just in time to intercept an entire Trycenian force accompanied by a Rank S monster that is closing in on the Village of Elves. To make matters worse, they then encounter the despicable and depraved Clive, who possesses power on par with Kelvin’s. The black-clad battle junkie and his friends fight with their lives on the line, but the enemy’s strength turns out to be even greater than what they could imagine! Join this adrenaline-loving warrior as he brings all his magic to bear in this stormy fifth volume of an epic journey!