Lin Xu and Ji Ran are childhood sweethearts who grew up together. The two agreed to go to the No. 1 Middle School together, but Lin Xu failed in the high school entrance examination and was not admitted to the No. 1 Middle School. In his second year of high school, due to his parents' job changes, Lin Xu transferred to the No. 1 Middle School and reunited with Ji Ran. Not long after they reunited with Ji Ran, they learned that Ji Ran was going abroad. The two parted again. After that, the two could only communicate by mobile phone. Suddenly one day Ji Ran sent a message to Lin Xu, and he never heard from him again...
Intention: to be added