When she was a child, the little brother from her neighbor's house had always been Bai Yueguang in Yuan Luo's heart. However, after the neighbor's house moved when she was in the third grade of elementary school, Yuan Luo never saw this little brother from her neighbor's house again. It was not until the opening ceremony of high school that she finally saw Bai Yueguang, whom she had longed for for many years, but he seemed a little different...