A magic app forces Xia Shi to abandon her normal life and become a delivery girl across time and space. Upon completing her final multidimensional delivery, she’s swept away to another world. A world of god-like beings known as celestials, a world of demons and ginormous winged kitty cats? What the heck kind of world is this?! Can Xia convince one of these celestials to take her home? And why does their leader, the Grand Master, seemingly despise her?