For 12 years, the virtual world of Yggdrasil has served as the playground and battlefield for the skeletal lord Momonga and his guild of fellow monsters, Ainz Ooal Gown. But the guild's glory days are over, and the game is shutting down permanently. When Momonga logs in one last time just to be there when the servers go dark, something happens - and suddenly, fantasy is reality. A rogues' gallery of fanatically devoted NPCs is ready to obey his every order, but the world Momonga now inhabits is not the one he remembers.

I used to be a normal high school girl but in the blink of an eye, I woke up in a place I've never seen before and-and I was reborn as a spider?! How could something that's nothing more than a tiny spider (that's me) possibly survive in literally the worst dungeon ever? Are there no rules? There should be some rules! Who the hell is responsible for this? SHOW YOUR FACE!

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.

When an ambitious teenage girl from Earth finds herself in a magical realm, she could be the hero—but she'd prefer to be the villain. When power-hungry Everly is reborn into a medieval world where elemental magic rules and she receives her elemental servants—the oddly sadistic Eris and the fun-loving Titania—years earlier than one typically would, she knows she's destined for a command of necromantic magic the likes of which her peers can only dream.

Who knew making friends could be this hard? Ainz and Mare have donned disguises and joined Aura in the dark elf village, where things aren’t exactly going according to plan. The villagers have no idea how they should interact with these extraordinary visitors, and it looks like finding some friends for the twins is going to be a lot tougher than expected. Meanwhile, the Theocracy’s invasion finally knocks on the doors of the elf capital, prompting Ainz to make his move even as some of this world’s most powerful figures pursue their own interests in the besieged city…