This is Miao Zi, an online celebrity, Weibo, an animation blogger, formerly known as Liu Yueqing. Miao Zi often plays some famous cartoon characters, or takes part in outdoor photography of various styles. COSER means the person who plays the role, that is, by putting on the costumes of various roles, playing the roles in the works, including animation, comics, video games, visual orchestral music, puppet shows in Taiwan Province Province, etc. The starting point of dressing up is to love the characters in each work, and through role-playing, let the characters who originally existed only in the imaginary world appear in the real world.