Yan Shen and Su Wan were childhood sweethearts, but they separated due to their studies. In high school, Yan Shen was diagnosed with ALS, which coincided with Su Wan losing her sight in a car accident. In the last days of his life, Yan Shen stayed with Su Wan under the pseudonym "Ah Shen", donated his cornea to her and passed away quietly. When Su Wan saw the light again, she was shocked to realize that the boy who illuminated her dark years with his voice was her entire youth that she had lost and found again.
Purpose: The highest state of loving others is inheritance