With her father off overseas, Yachiho is left to move into a new house all by herself... and it's a genuine haunted mansion, full of ghosts and spirits! But Yachiho is determined to tough it out. To learn her family's secrets, can she brave all that lurks in the dark of night?

Yachiho has settled into her decidedly haunted house, where she helps wandering spirits cross to the other side. However, her spooky home life is starting to invade her school as well. Even stranger, the mysterious spirit-master Kamo Chihaya shows up at her school, claiming to be her new teacher. Yachiho isn't the only one searching for the Book of the Dead: Her powerful new rivals threaten to turn her life upside down!

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 post-apocalyptic doldrums at bay, the end of the world might not be so bad after all!