In the battle between heaven and demon, all 12 generals around the Emperor of Heaven died. The Emperor of Heaven re-selected 12 mythical beasts to be the patron saints of the twelve zodiac signs. Thirteen mythical beasts including white cats, rats, bulls, white tigers, jade rabbits, little green dragons, black snakes, celestial horses, sheep, macaques, golden roosters, sacred dogs and spiritual pigs competed for this purpose. From the heavenly world to the human world, past and present lives, the torrent of history is rolling in. There has never been any change of fate against the will of heaven. In fact, the outcome has already been doomed. This article tells about the friendship and love between the thirteen little animals, the constant battle between the dragon and the tiger, the never-ending war between the cat and the mouse, and the never-ending fight between the chicken and the dog. What are the reasons for these and what kind of love and hatred exist between them? Let's read the zodiac secret book to reveal the answer for you. (The introduction is incompetent, I hope you will read it, if you don't like it, please don't comment)