One is a female academic who is obsessed with reading books, and the other is the school's idol. In kindergarten, he was a crybaby, and she took care of him like a little adult. "If you don't cry, Yiyi can stay here with you and wait for your uncle and aunt to pick you up." In high school, she only wanted to study, so he would be her knight. She and he were in the same city and in different districts at university. Every week he would buy high-speed rail tickets to go to school to find her and play with her. At the graduation ceremony, he proposed to him and she said, "Congratulations, Officer Shen. Take your graduation certificate and marriage certificate together."