Ten years ago, Amelia woke up alone and lost in a broken world where she had to fight for her survival. Now, after reaching the pinnacle of power, defeating the Void itself, and escaping the abyss, she has finally found her way back into the real world. But instead of returning to Earth, she arrives in the land of Vacuos. A fantasy world with magic, monsters, Classes, and Levels. A world that is governed by a System like it were a video game.

When a Demonic Assault occurs, most people stuck inside of a Fracture end up hiding inside of a bunker in the hopes that they don’t get killed by a demon. Others might even hope for the slightest possible chance at signing a contract with a spirit and becoming a Guardian. So when Scarlet was caught in a Fracture, the last thing she expected was to become a demon herself. Exactly two centuries ago, humanity was struck with their very first Demonic Assault.

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.

Without any warning, Amber is transported from her dingy student apartment to a fantastical realm with magic, monsters, and a universal System. However, even though she is forcibly ripped from her home and thrust into a dangerous new life, for the first time ever, she finally feels free. There are no cheats for her. There are no gods to guide her, and some would even laugh in her face. But the pain, the hardships, and the challenges only give her strength. As the first Cursed Berserker seen in over a hundred years, Amber welcomes the world of Vir with a smile on her face.

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.

The price for saving the world is the right to rule it. After saving a faraway world, Lyn Rivers was cast back to Earth. Wanting the admiration, prestige, and glory of saving that world, she forced her way back. But she was forgotten, and someone else claimed credit for her deeds. Now, with the power of a deity of destruction, she desires nothing more than to claim her place in history. To do that she will conquer dungeons, make alliances, destroy kingdoms, and build an empire.

Syl was given a choice by Gramps when they died. Reincarnate as a regular person or embark on a daring experiment. Driven by a desire to honor Gramps and a sense of adventure, Syl chose the latter... only to awaken as a lowly slime. A farmed slime. The life of a farmed slime was cruel. Syl was constantly at the mercy of humans, a slime whose only purpose was to eat and recycle garbage. The threat of lethal core-destroying knives wielded by innocent children was a constant shadow. This was not the life Syl had envisioned. So, they made a daring escape to the wilderness!

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.

After thousands of people suddenly vanish from Earth, former gymnast Jade Callian finds herself thrust into an endless dungeon filled with magic, monsters, and far too few instructions. When Jade receives a mortal wound soon after her arrival in this new world, she is forced to pick a new race that has the power to save her. There's just one problem: Her only choice is to turn into a succubus.

Samantha is a young attorney transported to an alternate reality in her sleep across the Void and time. She soon finds that the world she wakes up in is controlled by an all-powerful System with mechanics similar to the fantasy games she played back on Earth. After a brutal introduction to her new reality, Samantha (Sam) is given a class explicitly curated by the enigmatic System.

Zac was alone in the middle of the forest when the world changed... The whole planet was introduced to the multiverse by an unfeeling System... or God. A universe where an endless number of races and civilizations fought for power and dominion. Zac finds himself stuck in the wilderness surrounded by deadly beasts, demons, and worse. Alone, lost and without answers, he must find the means to survive and get stronger in this new cut-throat reality.

The Dungeon is a place of magic and mystery, a vast branching, underground labyrinth that has changed the world and the people who dare to enter its depths. Those who brave its challenges are rewarded with wealth, fame, and powerful classes that set them apart from the rest. Ken was determined to follow the footsteps of his family and become one of the greatest adventurers the world has ever known. He knows that the only way to do that is to get into one of the esteemed Dungeon colleges, where the most promising young adventurers gather.

Elise was always made fun of for her big ears and buck teeth. She tried her best to overcome the mockery, only to work herself to death and wake up as... a big-eared, buck-toothed rabbit. Now, with nothing but an almost worthless System Assistant to help her, she needs to survive in a world full of magic and monsters. On top of all that, for some reason she's been given the ominous [Mark of Fate] skill. She has no idea what it does, but things keep happening to her, most of them unpleasant.

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.

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.