It was just supposed to be a quick trip to the pet store for some cat food, but the universe had other plans for Florence Valentine. Good for nothing kids and some annoying store employees were giving her a hard time, and then things got worse when she was killed by a delivery truck. Instead of angels, pearly gates, and eternal rewards, a voice in her head keeps telling her that she’s become a dungeon core, whatever that is.

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.

Oren, a high-level guild master, wakes in the body of a lowly goblin. Cast out, betrayed by his most trusted advisors, Oren is stuck in New Era Online. However, there are advantages to being on the monsters’ side. Starting from scratch, he’ll have to build up a powerful monster clan to take revenge. But first, he'll have to survive long enough not to be someone else's fodder.

When Alice Verianna went to sleep, she was just another teen from the Denver suburbs. She definitely didn't expect to be transported to a magical alternate dimension, inhabited by monsters and presided over by a mysterious System. Here, people resemble RPG characters and everyone has access to their own status screens. Grappling with the mechanics of the elusive System isn't the only challenge Alice faces. It seems an underground organization known as the Society of Starry Eyes has taken a particular interest in other dimensions.

"No killing Goblins." So reads the sign outside of The Wandering Inn, a small building run by a young woman named Erin Solstice. She serves pasta with sausage, blue fruit juice, and dead acid flies on request. And she comes from another world. Ours. It's a bad day when Erin finds herself transported to a fantastical world and nearly gets eaten by a Dragon. She doesn't belong in a place where monster attacks are a fact of life, and where Humans are one species among many. But she must adapt to her new life. Or die.