Shi Miao, accustomed to her older brother's eccentric behavior, realizes that some things are destined to remain unchanged despite her efforts to discipline him. Despite his carefree nature, Shi Fen's good intentions foster a close-knit group of friends, including classmates Kai Xin, Wan Sui, and Miaomiao. Together, the Shi siblings and their companions create a whirlwind of excitement throughout their high school journey.