In AD 2050,since nature suffered from destruction of mankind for centuries,
the entire ecological system of nature almost to the brink of extinction.
There is a mysterious race far away in the space of the different layers, 
they protect the Earth from generation to generation.However, they finally
 anger because of the destruction of human behavior.So,they decided to destroy 
all of humanity, and to create a new race to manage the Earth.Two cute elves 
and their pet friends do not want to look at the human world to be destroyed.
The elves would like to give humans the opportunity to rehabilitate.So they 
bravely broke into the zodiac set by enemy, hope to find the leader of the 
enemy in order to seek solution of saving the Earth.