Our two heroes, Lone and Neko, live in a world in which everyone and everything is divided by their Kyuuryoku, a level indicating their strength and influence in the World of 'yokari' which is indicated by a halo floating on top of their heads.
Currently, the worlds strongest creature and ruler of the World, Kamo-sama, and his wife Hildegard are...Ducks.
Ducks trying to overtake the world and kill all creatures that aren't ducks, in order to create the ultimate Duck-society.
Now, instead of our main heroes killing ducks to save the world, they instead decide to still kill all ducks, but...because they just don't like Ducks.
Will they be able to kill all the Ducks? what will happen to them on their big great journey?
How do they even know where Kamo-sama lives!?