Xu Yimeng and Zhang Yun were originally two people who had nothing to do with each other. Because of a note, the two began to contact each other. Zhang Yun's sudden intrusion caused waves in Xu Yimeng's world. She began to pay attention to the boy involuntarily. However, Zhang Yun's heart was not calm. They thought that the other knew nothing about their thoughts. In fact, this was a sweet concealment of mutual surveillance...
First person
Concept: a two-way secret love that monitors each other