The sun sets nevermore. It rests upon Prism Mountain, shining constant light. Beyond that light exists only darkness, and in that darkness: monsters. When Clara was a kid, she lived happily knowing that they were safe inside the city's shield wall. But 10 years ago, it cracked, and for the first time in centuries - monsters invaded. Clara lost her parents in the attack. She has grown into a world of fear, knowing that the monsters could strike again. But this time, they are alone.