An apocalyptic event has transformed Earth into a desolate wasteland, leaving a young girl as the sole human survivor. On her journey across this dystopian environment, she is followed by a quirky companion: a talking pet Shiba Inu!

This eccentric dog, named Haru, has an arsenal of tricks up his sleeves, easing the solitude of travel with his joyful antics. Whether it be sparking philosophical discussions or contesting with other dogs over love, Haru ensures that his owner's adventure is anything but uneventful.