A single teenage girl journeys through the crumbling ruins of civilization―the last human on Earth, exploring the concrete jungle that has outlived mankind. Keeping her company is woman’s best friend―the ever-adorable and quick-witted Shiba Inu Haru, who is ready to stick with her through thick and thin! With such a pleasant conversation partner to keep the postapocalyptic doldrums at bay, the end of the world might not be so bad after all!