Summary
In the future earth ended up having other worlder creatures which came from parallel universe ever since a hole connected earth to another parallel universe .. Following his grandfather footsteps an earnest young man Hachi Ueya decided to become a zookeeper at a new world zoo which handles & exhibits other world creatures ..But at work he ended up being assigned to the mean looking Takuma Hasumi who will be in charge of his training ..But due to his clumsy nature