On a Monday morning, as Yang Ping just pushed open the office door, his gaze was drawn to the light blue envelope on the desk.
On the envelope, a line of elegant handwriting read: "Professor Yang Ping, Confidential." He didn't need to look at the signature to recognize the handwriting—it was Sisi's.
He opened the envelope, which contained three pages of letter paper, and a photograph.
In the photograph, a girl stood at the gate of a top high school, wearing a white school uniform shirt, short hair at ear-length, a gold medal hanging around her neck. Her smile was so bright it seemed to gather sunshine in her eyes, which curved into crescent moons.
Yang Ping sat down and unfolded the letter paper.
"Professor Yang:
