We all know the game. The survival game. We know what it is and how it works, we just don't know who the other Diary Holders are. The girl known as "Zero" in the game and a boy known as "Thirteenth" are stuck in the game as well. They have powerful diaries, and are mortal enemies. But they want to survive the game and become God. Find out more about Zero and Thirteenth in "Zero and Thirteenth."