Near the end of the 20th century, a truck driver loses control in the Nevada desert, robbing one family of happiness. The sole survivor of this tragedy, a young girl named Luna Hazuki, makes a pact with a mysterious demon in a morgue. Seven years later, she is still living in America...with the family that should have been dead. Little does Luna know that the pact she made will lead to the apocalypse that destroys the human race...

Near the end of the 20th century, a truck driver loses control in the Nevada desert, robbing one family of happiness. The sole survivor of this tragedy, a young girl named Luna Hazuki, makes a pact with a mysterious demon in a morgue. Seven years later, she is still living in America...with the family that should have been dead. Little does Luna know that the pact she made will lead to the apocalypse that destroys the human race...