I dreamed of studying philology, but my course paper on “Methods for Confronting the Unclean” ended with my expulsion. To make it worse, the professors decided to “joke” for the last time and gave me a coin with an elf on it. I couldn’t imagine that it was a pass to the Crossroads— a city where filth seeps in from other worlds, disguising itself as people. Now I’ll have to join a team that hunts such creatures. But first, I need to manage to survive in the Dark Academy…