Juliette Contzen is a lazy, good-for-nothing princess. Overshadowed by her siblings, she's left with little to do but nap, read, and occasionally cut the falling raindrops with her sword. Spotted one day by an astonished adventurer, he insists on grading Juliette's swordsmanship, then promptly has a mental breakdown at the result. Soon after, Juliette is given the news that her kingdom is on the brink of bankruptcy. At the threat of being married off, the lazy princess vows to do whatever it takes to maintain her current lifestyle.

When Aesca Lampi wakes up in the form of her character from Eldest Fantasy Wars Online, she's annoyed by the historical inaccuracies. (Video-game-style scrolls? Really?) That is, until a building collapses on top of her, revealing she's on a fantastical island centered around the impossibly tall, glowing Tower of Aetherius . . . with an array of dangerous creatures—including jaguar hybrids, velociraptors, and giant, flesh-eating lizards—in the way. (Oh, joy.)

They asked Amber to become a magical girl three times. She refused. That only made her more interesting. The fourth time, she asked them.

Arc was an ordinary young woman from Earth when she was summoned to an icy hell where she fought for her survival in the name of training to become a hero. Now, after defeating the Overlord itself and achieving the status of hero, she leaves with the goal of enjoying her freedom. She arrives at Arlas, a fantasy world with magic and monsters, a world with numbers, tiers, and classes, a world governed by the System that summoned her.

Tala had to fight tooth and nail in the Magic Academy to forge a path to power that was her own. She knows it’s her duty to use that power to serve humanity, defending them against the creatures of the untamable wilds. However, she skipped a few steps in her education, like apprenticing to someone who actually knows what they’re doing. Now, Tala has to balance learning as fast as she can with paying off the veritable mountain of debt the Magic Academy dropped on her shoulders for the opportunity; not to mention staying alive.

She wanted to be a Necromancer, but awakened as a Saint! Somehow her summoned heroes are all undead? How will the church react when their Saintess summons a skeleton in place of a mighty hero? Sofia isn’t too keen on finding out. In this world, Gods choose [Saints], and [Saints] summon [Heroes] from other worlds; everyone knows that. But Sofia had a thing for bones ever since she was a child; there’s only one [Class] she wants: [Necromancer]! When, by the whims of fate, she gets both classes at the same time, the system breaks.

Alexandra Rousseau, an engineer from the European Federation Star Navy with a past darker than the void between the stars, is unexpectedly launched into hyperspace when an FTL jump goes horribly wrong. She wakes in a world of magic and monsters, encountering a mysterious Order with plans millennia in the making. When the Order makes a catastrophic mistake, transforming Alexandra into a dungeon core, they inadvertently give her the power to bring back technology long since thought lost in this world.

Elania's life takes an unexpected turn when demon-worshiping cultists summon her to their world, aiming to revive their dead god. When their hated foe strikes, she escapes into Eladu's darkest depths. Amidst savage predators and underground monsters, Elania discovers her newfound abilities are both a formidable ally and a haunting burden that threatens to reshape her very soul. To climb higher towards civilization means she must contend with anti-demon sentiment and those who would use her as a source of arcane power. But Elania is not alone in her struggles.

The usual result of a human taking a runaway semitruck head-on is a very sudden, very fast track to the pearly gates. But for one newly noncorporeal man, there's another option: become a dungeon. Feeling sorry for the desperate angel assigned to him, the man relents. Heck, if it doesn't work out, he can always chat with Saint Peter about it later. Next thing you know, he's a dungeon. Admittedly, a small run-down, somewhat unimpressive dungeon (more of a house, actually), but you gotta start somewhere, right?

When Kers is reborn as a dungeon core, he finds himself stuck in the most improbable of places: a cloud. High in the sky and far away from the usual solid resources, Kers must face the obvious question: How is a dungeon to build itself without wood or stone? Luckily, Kers has the sarcastic (and sometimes helpful) fairy Selena to help him get his bearings. Together, the pair delight in exploring Kers’ weird existence, creating novel mobs, and enticing adventures to plumb the lofty heights of his floors.

Quinn can barely handle her own life. When the Library of Everywhere discovers her compatible magical signature, suddenly, she is the sole existing potential librarian. Now, it's not only the weight of her world on her shoulders—Quinn must connect with the library system before the universe itself disintegrates. Once she's settled, it should be quiet, peaceful work—just as soon as she battles a few engorged bookworms, repairs hundreds of years of damage, and figures out why there's been no librarian for the last several centuries.

Having just gained her freedom and started her journey, Sybil faces the looming threat of Soulblade; both an infamous criminal organization and an ancient relic. Meanwhile, Armag Hollow, the land she resides in, is in peril. With the Grand Checkpoint gone, the Beasts of the Dark Hollow threaten to infest the land, all while old machinations come to life and insanity pervades the land. Plans of old are set in motion to achieve upheaval; all to kill the Mayor, the sickness that plagues the land once in for all. And once that is done, a new era for Armag Hollow will soon follow.

Disillusioned businessman, John Lawrence Locke, finds himself summoned as a hero to another world, filled with monsters and magic! With his body reverted to the age of 15, the 33-year-old's mind is filled with the possibility of battles and adventures, like the ones in his favorite video games.

Oh great hero! The evil Demon Lord has once again arisen to terrorise our lands, and we have summoned you to save our people! No, we don't want you to fight the demon lord! Of course not; we're the good guys! What sort of good guys kidnap people from other worlds and force them to take part in wars that have nothing to do with them? That would just be plain evil! We'd be no better than the demons!

Upon awakening in an abandoned lab, Evelyn is empowered by a system that grants her bloody magical powers in exchange for finishing missions and consuming her enemies. She knows one truth: no matter the cost, she will advance. She'll manipulate allies and spread demonic corruption with a smile if that's what it takes to level up. Her first mission is to escape the lab's other newly born creations. But once she steps foot into the world outside of the lab, she must contend with people who forbid her existence and who will work to eradicate those with her powers from the face of the planet.