In Orario, fearless adventurers band together in search of fame and fortune within the monstrous underground labyrinth known as Dungeon. But while riches and renown are incentive enough for most, Bell Cranel, would-be hero extraordinaire, has bigger plans. He wants to pick up girls. Is it wrong to face the perils of Dungeon alone, in a single-member guild blessed by a failed goddess? Maybe. Is it wrong to dream of playing hero to hapless maidens in Dungeon? Maybe not.

Kicked out by his family and wandering the streets, an unemployed 34-year-old shut-in thinks he’s hit rock-bottom—just as he’s hit and killed by a speeding truck! Awakening to find himself reborn as an infant in a world of swords and sorcery, but with the memories of his first life intact, Rudeus Greyrat is determined not to repeat his past mistakes. He’s going to make the most of this reincarnation as he sets off on the adventure of a second lifetime!

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.

A certain college girl who's loved books ever since she was a little girl dies in an accident and is reborn in another world she knows nothing about. She is now Myne, the sickly five-year-old daughter of a poor soldier. To make things worse, the world she's been reborn in has a very low literacy rate and books mostly don't exist. She'd have to pay an enormous amount of money to buy one.

Students of the prestigious Tokyo Metropolitan Advanced Nurturing High School are given remarkable freedom—if they can win, barter, or save enough points to work their way up the ranks!