This world is not just a human world. In the corners we don't know, in the space we can't enter, there is another kind of power. Is it a fairy? Is it a demon? Is it a demon?
The ancient human emotions still remain after the passage of time. Scudari tells us that life begins when people begin to fall in love.
Through Wu Ling, an ordinary high school girl, we pass through those slits of time. Can everything hidden behind the floating world in the long past be revealed?