Fang Zhinuan was abandoned by his parents at the gate of the orphanage when he was born because he suffered from chills. An accidental rescue, coupled with the mutual physical and psychological shortcomings of the two, made Fang Zhinuan, who was suffering from chills, fall in love with Su Donghan, who was autistic. From then on, Fang Zhinuan would be present in Su Donghan's life every day——
Fang Zhinuan said jokingly: "Classmate Su Donghan, you have grown up and can leave my arms."
"I know I have grown up, but I haven't gotten used to the days when you are not around yet."