Humanity was once menaced by black fairies, but they were fought by the black fairy hunters who eventually sealed their ruler away. Yamamoto Ryuu lives what seems to be an ordinary human high school life, ha...

An earnest young man Hachi gets his dream job at a Mythical Zoo (isekai creatures), follow the footsteps of his Grandfather Roku-San where he used to work. There he met with various beings, Sylph, Dying Drya...