Duan Bai and Ruan Xing are so-called faxiao.
From a literary point of view, they are called childhood sweethearts. It's just that this style of painting is different in hundreds of millions of ways...
Ruan Xing: "It is said that a bamboo horse cannot withstand the fall from the sky. Do you want to be my bamboo horse, or the fall from the sky?"
Duan Bai: "I want to be your dad."
Ruan Xing: "... Duan Bai me...!"
Purpose: Love grows over time