The cow ranks second in the twelve zodiac signs, and is "ugly" with the twelve earth branches. Therefore, the "ugly time" in the twelve hours of the day, and the "cow time" from one to three o'clock at night, is used as a metaphor for the prosperity of the career, Prosperous and prosperous. n9 [Ugly Cow] series uses the allusion of "bull spirit" as its creative concept. I wish people with lofty ideals in the world can show their ideals and ambitions like bullfighting.