Fall in Love at First Kiss

How does a girl from the F class end up sharing a roof with the smartest boy in the A class, the one who has already turned her down? It starts when Yuan Xiangqin (Lin Yun), a high school student, confesses her love to Jiang Zhishu (Darren Wang), and he rejects her. Then her house collapses, and Xiangqin has to move in with him, still carrying a crush he wants no part of.