The human race is in danger. Why? Because the devils seek for a place to rule, for a place to civilize their own kind, and Earth is their target. To get to their target, the humans must be elimanated. However, the angels know it isn't right to go there. Earth was specifically for humans only, as Gabriel, our leader says, Earth is no place for we angels and devils. But obviously the devils ignore this. My young 10-year-old sister, Haya and I have agreed to go to this human world called Earth and try to stop these devils. But there is no turning back...