Li Xun takes over the classroom that Jian Hong had secured for his club. Zhu Yun doesn't want to give up the classroom so she challenges Li Xun to a competition of exam scores; whoever has the highest scores will take the classroom. Though Zhu Yun and Jian Hong are trending to have higher exam scores than Li Xun, they decide to give him the classroom when they realize his level of programming greatly surpasses theirs. (Source: frankly at MyDramaList)