About the book: year / Kasumi Hojo twenty-eight years old; she has a smooth life and a marriage that gives her the security and stability she has always dreamed of. But Kasumi understands that this is not enough for happiness. Therefore, inspired by ancient Japanese legends, three years ago she and her husband made an agreement: for one single day a year, both were free. But of course there are rules. The day of "freedom" cannot exceed twenty-four hours, and it is also forbidden to bring home any memories and ask each other questions. Today is Christmas night, and for the third time the couple take off their wedding rings. But after twenty-four hours, will Kasumi be able to forget about what happened? “One legend tells about the impossible love between the goddess Myoken and the dragon of Mount Buko: the latter is married to the goddess Suwa, but only one day a year, in winter, he is free to spend the night with her who he loves».