Guo Yuxi, a high school student studying in a small seaside town, lives with her sister and mother. Her father seems to be a secret that cannot be mentioned in the family. Yu hope has two good friends from childhood, one is Han Yaohui and the other is Liu Sike. Summer vacation is here, and the three of them met to play and watch the fireworks at Beihai Bathing Beach. Unexpectedly, something unexpected happened... The gentle senior, the mysterious transfer student, and the arrogant student council president appeared one after another. Can Yu Xi survive high school life smoothly?
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