Light and Shadow Agreement

In the summer cram school, "I" met Shu Huanxin after knocking over her pencil case. After school started, we secretly fell in love with her during our interactions in the cafeteria, running exercises, and the library. Later, "I" asked her to watch a movie but she was rejected. The interaction between the two gradually became less and less. "I" also discovered that the interests of each other were very different, and a series of things that followed...