A dangerous virus has swept the globe, turning most humans into zombies. Reah, a billionaire's daughter, lost almost everything during the outbreak. All she has left is a unique car with a super AI that can display itself as a cute anime girl on its touch screen and talk through the car audio. Packed with a lot of advanced technologies and a range of powerful functions, this special vehicle helps Reah to survive and navigate countless harsh situations, becoming her most trusted companion in this chaotic world. Reah named the car Yee-yee and drives it in search of her missing fianc , whose disappearance may be linked to the outbreak's origins.