1. "My name is Liu Jinfeng" Yu Changya is not the real Xuanlang, he is a fake. Yu Changya is the person who has been corresponding with Liu Jinfeng. The real Xuan Lang is Duan Yunzhang. Liu Xie has always asked Yu Changya to do this behind his back.
2. Yu Changya became someone else’s stand-in, and over a long period of time he really fell in love with Liu Jinfeng.
3. Liu Jinfeng later learned that Yu Changya was the one who wrote the letter on behalf of Xuanlang, but she still liked Duan Yunzhang instead of Yu Changya.