This is the time after when an unknown revolution happened . Two dimensions showed .In this centurie human and other species don't know about each other . The other species called demi human or monster .
Some of other species know about human world. In other species world they use magic but human believe in science. So they are different from each other. Other species can transfer into human form and animal form. Other species use thier animal form in different ways. Like playing and work or singing etc.
The Main character of this anime is also boy who lost his father and mother in an accident .Now his grandfather is taking care of him.
