In the year 2107, the world has both made astounding leaps forward and reduced humanity to its most basic existence. While the megacorps and those who rule them enjoy lives of extraordinary comfort and ease, most people barely scrape by, doing whatever they can to keep going. Juliet Bianchi is one of the latter. She works cutting metal in a scrapyard and doesn't have much to show for it except for a small group of equally bereft, fiercely loyal friends. Still, she maintains a bright disposition, possessing more hope and optimism than anyone would expect her to—and she's going to need it.

Elaine is ripped from this world to Pallos, a land of unlimited possibilities made real by a grand system governing classes, skills, and magic. Join Elaine as she travels around Pallos, discovering all the wonders and mysteries of the world, trying to find a place where she belongs, hunting those elusive mangos, all while the ominous Dragoneye Moons watch her every move.

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.

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.

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's unlike any one or any thing else: a Non-Standard Leashed-Intelligence Cybernetic Enforcer aka NSLICE-00P. The first of her kind, she's let loose into a universe of superheroes on behalf of her sinister masters to destroy all who oppose them. And everything's going according to plan—until NSLICE-00P gets hacked and sent into the past to kill her own creator before he creates her. Obeying orders as always, she wastes the poor guy. Unfortunately, there are consequences to initiating a reality-breaking time paradox. The most significant: total ejection from that reality.

Ilea likes punching things. And eating. Unfortunately, there aren’t too many career options for hungry brawlers. Instead, the plan is to quit her crappy fast-food job, go to college, and become a fully functioning member of society. Essentially—a fate worse than death.

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.

Being a small dungeon on the outskirts of town in the backwaters of an unimportant kingdom isn't easy, but Kelsey's done her best to level up and become the best dungeon she can be: Digging a hole of ever-increasing depth and complexity. Creating an undead atmosphere that would make a necromancer proud. Spawning monsters and treasure. Killing adventurers. But lately, things have gotten a bit stale.

The Netherworld: it is a hellish landscape inhabited only by demons. Joining the ranks of newborn demons, Salvos is thrown into the violent, anarchy-ruled landscape of that world. To survive, she will have to learn, she will have to adapt, and she will have to evolve. She will gain experience to reach new Levels of power. Her curiosity aids her but her pride could be her fall. It is the nature of the Netherworld to avoid or conquer any threats faced. After all, the law of evolution is survival of the fittest, and Salvos is a survivor.

When Edward is swept into the world of Ivalis as a Dungeon Lord, the Dark's most powerful servant, he has no servitude in mind. He'll oppose the evil plans of the Dark god, Murmur, whatever it takes. Through only his wits and his guts to help him survive a weakened arrival, Edward must rise to power if he is to earn the right to live another day. But in the battle between Dark and Light, what can Edward choose if both sides are cruel, uncaring monsters?

Humans have been pushed to the brink of extinction by an ever-evolving demonic threat. Portals are opening faster than ever, Towers are bursting into the skies, and Dungeons are being mined below the last safe havens of society. The demons are winning. Quest Academy stands defiantly against them as a place to train the next generation of Heroes. The Guild Association is holding the line but is in dire need of new blood and the powerful abilities they could bring to the battlefront. To be the saviors that humanity needs, they need to surpass the limits of those that came before them.

On the cusp of entering the prestigious Lumina Deck-Building Magic Academy, the young mage Alistair harbors a dark secret: within him dwells Ghost. A reborn master assassin hellbent on revenge. Bound together by fate and magic, Alistair and Ghost embark on a dual journey of vengeance and discovery. As Alistair navigates the arcane halls of the academy, mastering battledeck spells and summoning skills, Ghost seeks to unravel the mysteries of his untimely demise.

An inn is a place to rest, a place to talk and share stories, a place to find adventure, or a starting ground for quests and legends. It is in this world, at least. To Erin Solstice, an inn seems like a medieval relic from the past. But here she is, running from Goblins and trying to survive in a world full of monsters and magic. She’d be more excited about all of this if everything wasn’t trying to kill her. But an inn is what she’s found, and so that’s what she becomes; an innkeeper, who serves drinks to heroes and monsters. Mostly monsters. But it’s a living, right?

Silas is inducted into the System, becoming the last in a long line of Earth's "forerunners." The rewards are great, but the danger is greater. We are not alone in the universe. The fate of five worlds hangs on how their forerunners perform. Will Silas have what it takes to win Earth a place in the multiverse? Or will Earth become another mining world stripped of all resources and left a barren husk floating in the cosmos?