A promotional video advertising the release of the first Kakushigoto manga volume.

A ghost was seen on the 12th floor of the Asakusa Juunikai building. A newspaper article featuring the sighting brought together Takuboku Ishikawa, who runs a private detective agency to support his family, and his assistant Kyosuke Kindaichi to solve the case. (Source: MAL News)

16-year old Keisuke Saji loves to fantasize about young beautiful women. He hopes to land the object of his affection, Koizumi Akira. However, Koizumi hates Saji (as well as all men) to the point of assault. While most guys take Koizumi's cold shoulder as a hint, Saji pursues head-on without having rejection faze him.

Using her wit and vast knowledge of medicines and poisons alike, Maomao played a pivotal role in solving a series of mysteries and conspiracies that plagued the imperial court. Having recently come to terms with the secrets of her parents, she returns to fulfill her normal duties on behalf of the emperor's highest-ranking consorts. Maomao also works alongside the eunuch Jinshi to better the consorts' many ladies-in-waiting, including helping them learn to read. However, with the arrival of a merchant caravan comes a new wave of intrigue. A pattern of strange coincidences involving the visitors and their wares unsettles Maomao, driving her to investigate the puzzling circumstances behind the convoy. As dangers from both outside and within threaten the balance between the imperial concubines, Maomao continues to utilize her cunning and medical expertise to keep the women safe from harm.