Year unknown. Perhaps, not only the planet, the galaxy is not ours. But its residents have no less problems, believe me. So, do you suffer from racism? And the people there united against creatures unknown to science - the darkness. I don’t argue, they are unpleasant characters, they are demons, and they like to dine on people; it is not surprising that they are exterminated with such persistence. The Ministry is an organization created to fight the darkness. She has more information than civilians, and unlike them, she knows very well that among the darkness there are peaceful individuals - mixtures, children of darkness and people. It is precisely this pedigree that the girl Aya receives as a gift from the Goddess. Caught by the Ministry as a child, she was taught, on pain of death, to kill her own relatives, of course, for nothing. But she does not despair, and on her next mission she goes against the system: she joins a group of mixed people searching for the coveted legend - the Pass - the world of roads, the world that connects other worlds, including the one where all the darkness comes from. The solution, of course, is good, but a problem arises: the legend still needs to be found...