In a post-apocalyptic Japan, humanity's only hope is Emma, an outcast rejected by society because of her trials, and Koo, the cursed dog. Together, they embark on a grand adventure in this action RPG featuring one character and one dog.

Experience a journey where you will feel a sense of loneliness, as well as the trust and comfort provided by your companion. Enjoy a world of the era, where forests suddenly sprout in the desert.

As Emma and Koo travel through this beautiful yet harsh world, their bond and abilities grow. Customize your playstyle through unique skill trees, equipment, and spirit stones to survive in this beautiful yet violent world. Define your own playstyle through your preferred equipment, including ranged, stealth, and aggressive combat.

In this plague-stricken world... What will you find at the end of your journey?