19 Tian

Jian Yi and Zhan Zhengxi have been close friends since childhood, and their bond has grown stronger during high school. Jian Yi harbors romantic feelings for Zhan Zhengxi, whose attempts to appear unbothered by Jian Yi's teasing occasionally reveal his true emotions. As they navigate school festivals and classroom chaos, they are joined by Mo Guanshan, a rebellious troublemaker, and He Tian, a charming flirt. The four experience the ups and downs of youth, with subtle hints of romantic tension.