Humans have attained divine strength through the power of holy beasts, while therians worship different beings known as feral gods. As the two races try to thrive in harmony, a foul stench arises. The main hero, Caine, infiltrates a ruins site and finds a mysterious girl in a mask. This girl has the same black wings as a feral god...! This strange encounter becomes the catalyst of a grand scheme that will change the worlds of humans and therians. Will divine power lead to prosperity or destruction... Find out as this epic story unfolds!