You got Summoned into a World full of Magic and Monsters! There are Vampires, Beastmen (Humans that have Animal Like Body Parts like a Tail, Ears or Horns), Centauer, Dragons and more! You got Summoned to Kill the Monsters in this World and Save it with your Classmates but one of them will Betray you and shoot a Magic Speel at you causing to Fall deeper into the Dungeon! The deeper you are in the Dungeon the stronger Gets the Monsters! The Monsters in this World are Demons