Once upon a time, two races ruled over earth: Humans, and Monsters. But Man feared the strength of the Monsters' magic, so they locked them away. Many years later, a young human boy fell into the underground. This human began to form friendships with the monsters. He never killed, and he did everything he could to help. After defeating the Godlike "Angel," the human led the Monsters back to the surface. And this, my children, is where our story begins