Kyoto, Shimogamo. High school student Kano is the daughter of the Nonomiya family, a former aristocratic family. Having lost her parents at a young age, she lives in an old Western-style house with her brother, who runs an antique art business, and their lodger, Kei. On her days off, she usually wears kimonos handed down from her grandmother. Kano loves antique kimonos. Then one day, she opens a storehouse that she had been told "never to open." And then, strange things begin to happen one after another…!? (Source: Shueisha, translated)