Seventeen-year-old Hajime Nagumo is your average, everyday otaku. However, his simple life of pulling all-nighters and sleeping in school is suddenly turned upside down when he, along with the rest of his class, is summoned to a fantasy world! They're treated like heroes and tasked with the duty of saving the human race from utter extinction. But what should have been any otaku's wet dream quickly turns into Hajime's nightmare. While the rest of his class are blessed with godlike powers, Hajime's job, Synergist, only has a single transmutation skill.

All of the incredibly powerful high mages died out centuries ago. Nobody expected one to return. I was just a simple blacksmith apprentice when a visit by the mages of Essalin confirmed what I’d long suspected—I could touch the aether. Destined to be a mage, I’m plucked from my village alongside a feisty redhead so we could journey to the fabled city of the high mages to learn how to control and wield the aether. The road there isn’t going to be easy though.

Lonely thirty-seven-year-old Satoru Mikami is stuck in a dead-end job, unhappy with his mundane life, but after dying at the hands of a robber, he awakens to a fresh start in a fantasy realm...as a slime monster! As he acclimates to his goopy new existence, his exploits with the other monsters...

Reborn in a crypt, Nick was given an ancient heritage and an important task: to become king, and make the Archaens rise again. Nick was now the last one, and he would need to find allies by forming Soul Pacts with both followers and wives. With the power of the Soul Knight class, he would have to use both paladin and necromancer magics to conquer the tower and defeat his enemies. But not all was right, in or outside the tower. A bandit warlord had taken control of the city of Havendale, and a deathly Trial within the tower lurks, barring Nick from collecting his Heritage.

Five hundred years of fighting demons and humanity has been pushed to the brink of extinction. As the last bastion of the remaining humans is shattered, Bran Heros, the Wandering King, decides to enact a last ditch effort. He’s going to send his soul back in time to two years before the demon invasion comes to earth. This time when the demons first come he’s going to be waiting. He might not be as strong as he was in his past life, but he has something far more important.