The plot of this novel follows the conclusion of the fifth season of Tea Ah No. 2 Middle School. Liu Ruolin's younger brother Liu Ruomin initially opposed Wang Qiang every day. He always thought about how to punish Wang Qiang every day. However, after experiencing some things with Wang Qiang, the two resolved their misunderstanding and became good brothers. Liu Ruomin also joined the ZHY team. After joining the team, Wang Qiang, Jia Chun, Ma Zeping, and Liu Ruomin. The four of them experienced many things together in school, overcame difficulties one after another, and strengthened their friendship through hardships. Liu Ruomin has also grown from the naughty kid who only threw garbage in the third class sharing area to the youngest member of the ZHY team.
