A supernatural being is a term used to describe any entity or creature that exists outside the natural world and possesses powers, abilities or attributes beyond those of ordinary humans. Full definition
Similarly, there is no reason to believe in supernatural beings unless there is definitive evidence of their existence. (religion.blogs.cnn.com)
A lovely little tale... problem is, there is no verified evidence for supernatural beings - angels, gods, demons, spirits (holy or otherwise). (religion.blogs.cnn.com)
It's an odd story, with echoes of the «student affected by supernatural being with questionable motives» story of Death Note. (comicsworthreading.com)