The novel revolves around the protagonist Chen Aisen (Ethan) - a talented young man who has loved chemistry since childhood and harbored dreams of scientific research. However, because he was diagnosed with "red-green color blindness" during the college entrance examination physical examination, he has never been able to major in chemistry. Coincidentally, Ethan's high school classmate Li Xiaotian (Allegra) is a girl who loves flying. She has wanted to be a pilot since she was a child, but she was judged to be unqualified because of her history of asthma. This "medical judgment", like a label affixed by the system, "draws a line" in the lives of countless children with defects. Ethan was forced to choose computer science. At first I was repelled and resisted, but then I gradually regained a sense of control in the programming world. Allegra chose to bypass the system from the outside and study abroad in aerospace. Despite the cruel reality, they all chose not to give in and fight for the right to redefine their lives.
Concept: the collision of ideals and reality