Xia Zhimian (female protagonist):
Propaganda committee member of Class 5, Grade 2, and president of the school photography club;
Hobby: Using an old film camera to take pictures of campus details (such as sparrows on the window sill during class, puddles in the corridor on rainy days, school uniforms hanging on the railings during sports events);
Personality: Soft and cute on the outside but with a strong inner core (I once worked as a photographer for three months in a row while filming the process of climbing the wall of Ivy in All Four Seasons);
Foreshadowing: Her mother is a documentary director and travels all year round. Zhimian uses the camera to "record her life".
Shen Xubai (male protagonist):
Transfer student from Grade 2 (5) of high school, editor-in-chief of the school magazine "Wanghaiji";
Hobbies: Writing short campus stories in notebooks (themes are mostly "old desks in the last row of the classroom" and "exam papers blown away by the wind on the rooftop");
Personality: A "story collector" who is cold on the outside and hot on the inside. He always carries a pen and is said to be "like a person walking out of an old book";
Foreshadowing: My father died young and I lived with my grandmother who ran a bookstore. My grandmother often said: "Stories last longer than photos and can live for many lifetimes."
Concept: The meaning of youth is "recording" and "being recorded"