In a world where myths and legends are a poorly-kept secret, the Hunters Administration works to protect both humans and Mythen, mythological creatures from every corner of the globe, from disaster. Rei "Ray" Tomino, one such young Hunter, finds himself embroiled in a mystery that threatens Mythen and human alike, and finds himself diving into the unsavory underworlds of both sides in order to prevent a catastrophe from breaking the tenuous peace...