The younger sister of the prince-like brother Dongfang Yi is the ordinary-looking Zhou Xueer who loves fantasy. In the eyes of all the girls in the school, Zhou Xueer is a messenger who delivers love letters to other girls. One day, a female classmate suddenly transferred to the school—— ——Gong Mudan, she has a beautiful appearance and good academic performance, and she, like other girls, fell in love with Dongfang Yi. At a school meeting, she confessed to Dongfang Yi in front of the teachers and students of the school, Zhou Xueer But he found that he also fell in love with Dongfang Yi, and challenged Gong Mudan in front of the teachers and students of the whole school, so a struggle between girls and girls began...