Sunset Shimmer's popularity is due to the change of Sunset Shimmer's personality, and his face value is very high. Sunset Shimmer is a character in the series of American cartoon "Little Pony: Little Pony Girl". She was the villain in the first film "Little Village Girl" and became one of the protagonists in the subsequent series. She has red and yellow hair and yellow skin. In Little Mary, she is a unicorn, the magic light is bright green (changed from Little Horse Country Girl: Rainbow Sonic Blast to red), the skin color is light amber (human) and amber (pony), and the lovely symbol is the red and yellow sun that emits red light. In the first film, Sunset Shimmer showed narcissism, arrogance, scheming and cunning. In the second movie, Hui Yu turned over a new leaf, abandoned the past and became friends with her former rivals. In the third film, although Sunset Shimmer has successfully integrated into the group and can accept her past actions, she is still worried about losing the trust of the teachers and students in the school. When Twilight Sparkle, a human being, put her friend in danger, Hui Yu's anger broke out. She accused Twilight Sparkle of not interfering with forces she didn't understand, and vented her chagrin and self-doubt on her. However, she soon regretted hurting Twilight Sparkle and extended a hand of friendship to Twilight Sparkle at the end of the film. Sunset Shimmer changed from a demon to a lovely person, so her personality change and high face value made her gain high popularity.