Nobody in this world wants to end up assigned a class like "Heavy Knight." Nobody, that is, except for Elymas Edvaughn, who knows from his memories of a past life that the class is an absolute monster for those who know how to use it. But the path of the Heavy Knight is particularly difficult in a society that doesn't know the true strength of the class! Exiled from his family, Elymas sets out to game the system and show the world his true power!

Our hero wakes up one day in a brand new world…but his new life doesn't come with fighting skills or magic powers, or even arms and legs! He's reborn as a helpless egg, stuck in an unfamiliar forest surrounded by terrifying, hungry beasts. But eggs hatch, hatchlings grow up, and humble beginnings can lead to something great. He'll do his best to become the strongest dragon ever, and no measly shell will get in his way!

After a furious leveling session, Illusia finally evolved into his next form: the double-headed dragon of eternity, Ouroboros. Tiny problem, though--that second head has a mind of its own! Illusia soon heads to Harunae with Ballrabbit and Adoff in tow to do whatever he can to save Nina from her impending execution. And after that, it's time for a rematch with the other Illusia. But will the second head cooperate with Illusia's plans?

Sir Elymas continues his quest to prove exactly how useful a Heavy Knight can be, accompanied by fellow outcast Ruche. But this isn't the game he's used to--this is his reality, and there's no respawning. Worse yet, his cruel father and the vicious Malice are eager to take Elymas on. A great city of adventurers beckons Sir Elymas and Ruche with promises of power...but only if they can escape the shadow of his father!

The fierce battle for the right to face off against the Divine Voice and possess the Sacred Skills of legend has finally come! Volk the Dragonslayer finds himself pushed to the limits against the strange and unpredictable Howgley the Glutton, but pushes on with incredible persistence. Meanwhile, as a newly evolved Oneiros, Illusia manages to back Saint Lilyxila into a corner. Lilyxia has the ultimate trump card up her sleeve...but it comes at a deadly price. Will the saint sacrifice hersel...

Rumors of a princess ransacking castles across the land with adventurers hungry for experience points reach Illusia's ears. However, this is not just any princess--it's the Demon King in disguise! Eager for adventure, Illusia makes his way to the royal capital, running into the famed Dragon Slayer, Volk, and they infiltrate the royal capital where another surprise awaits: Myria! It seems both of Illusia's new companions have been invited to join the "princess's" army. It's sure to be a tra...

While traveling through the scorching Harunae Desert, Illusia comes face-to-face with something unbelievable--a human Hero who shares his name! But aside from that, they're nothing alike. Powerful, merciless, and impossibly strong, the Hero easily overpowers him and snatches away Nina, leaving a chilling ultimatum: save her in four days...or else.With no other choice, Illusia throws himself into a brutal race against time, pushing his limits in a desperate bid to level up before the battle...

Illusia and his companions fight their way through the royal castle and are finally faced with the slime with the "Voice of God"--the Demon King. The slime pummels Illusia and his companions with powerful attacks he has stolen from others, but our heroes manage to defeat him. Or so they think. The slime that should be gasping for his last breath evolves into the legendary L-rank monstrosity, threatening to swallow everything with destruction magic. Illusia's companion has a plan, but will ...

As Illusia continues his quest, he finds himself on a strange new island at the end of the world. But this isn't just any island--it's full of A-rank and even L-rank monsters no one has ever seen before! What's more, the ruins are covered in English and hiragana, characters from the old world. His curiosity piqued, Illusia ventures deeper into the ruins, determined to uncover its secrets...and stumbles upon the legendary dragon king Diabolos. But does Illusia's "Dragon King's Son" skill me...

The forest-dwelling Lithovar tribe has made peace with Illusia and continues to revere him as a god. Life is good--until a horrific murder comes to light! The Hungry Hunters, a regiment commanded by the pompous Lord Tolemann, are to blame. The Hunters terrorize the land in search of the mythical Carbuncle, and so Illusia stands with the tribe to fight them off. He unexpectedly encounters another "dragon" during their clash...one much more twisted and gruesome than any beast Illusia has enc...

Our hero has evolved from dragon egg to hatchling to Young Plague Dragon and finally gained the skill he wants most: Human Transformation. He desperately wants to put his solitary life behind him and join the human village, but that may not be as easy as learning a single skill. Even his lonely forest life is put in jeopardy when a serious swordswoman and a loyal dog-girl invade his cave! He has to figure out this Human Transformation skill, and fast!

After making an enemy of the saint and fleeing the royal capital, Illusia and his companions find themselves in the dangerous, monster-infested Far Eastern Lands. Certain the saint is still after his Sacred Skills, Illusia decides that they all need to take down as many monsters as they can to quickly level up and evolve. But while deep in the forest, they encounter a beautiful and mysterious woman. At first, Illusia is wary that she was sent by the saint, but the woman has other things in...