Playful Jian Yi and calm Zhan Zhengxi have been best friends since they were kids. Now navigating the ups and downs of high school, their connection has grown stronger. Jian Yi keeps his romantic feelings for Zhan Zhengxi mostly hidden, while Zhan Zhengxi, though he acts annoyed by Jian Yi's teasing, can't help letting his real emotions show from time to time.
Between various festivals, classroom antics, and constant mischief, Jian Yi and Zhan Zhengxi are soon joined by the rebellious troublemaker Mo Guanshan and the charming flirt He Tian. Together, they make the most of their youthful days—always with a touch of romance.