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This is the story of campus goddess Zhu Nian Nian and her crush's nonsensical older sister Chen Jing An, who one day accidentally switched bodies. Chen Jing An became the popular and beautiful princess she had always dreamed of being, and she was finally free from her brother when she woke up in Zhu Nian Nian's body. Meanwhile, Zhu Nian Nian woke up to find herself the "sister" of her crush, Chen Chang Ning, but now she has the opportunity to be closer to him, and for once, these "siblings" actually get along. These two girls who used to envy each other are now seeing each other's true sides. (Source: Chinese = Douban, Baidu || Translation = MyDramaList) ~~ Adapted from the web novel "Hua Hai" (花海) by Ju Ni Er Si (居尼尔斯).