JK Taimabu, or, Exorcism Club for Black-haired Girls with Ponytails

From the introduction: Let me bid you welcome to Earth, jumper. At first glance, this is the same kind of 21st century Earth you might be familiar with already, but if one delves deeper, you will find out that monsters and demons of all kinds exist in the underbelly of society. Not very deep, and worryingly common, there’s only one thing between the monsters lurking in the shadows and the innocent civilians: The exorcists.