What are you looking for? So asks Tokyo's most enigmatic librarian. For Sayuri Komachi is able to sense exactly what each visitor to her library is searching for and provide just the book recommendation to help them find it. A restless retail assistant looks to gain new skills, a mother tries to overcome demotion at work after maternity leave, a conscientious accountant yearns to open an antique store, a recently retired salaryman searches for newfound...

While going through the possessions of a deceased guest who owed them money, the mistress of the inn and her son find a treasure map that leads to a pirate fortune as well as great danger.