Female, 17~18 years old, Xiao Xiaohua's best friend and Xiao Xiaohua are so good that they can't tell each other apart, but their personalities are completely opposite.He had a happy family life since he was a child. He was born towards the sun. He is an optimist, bold and unrestrained, silly and big-hearted, straightforward and cute.She encouraged Xiao Xiaohua to write a friendship letter to Ling Dong, but accidentally passed the letter to Lan Jinghui, which triggered an entanglement in the fate of the three protagonists.Her parents' marriage caused her to experience the inevitable pain of growth and transformation in her life.