Protagonist: Yu Chijun/Situ An
Story lines including first acquaintance in the hospital, acquaintance on the rooftop, separation of teenagers, reunion after a long absence, etc.
Use the stars and moon as clues.
"Obscurity is the guide of hope. When death approaches, pray to God to let you live forever like a silver glow, overlooking all things in the world."
Intent: Let readers read and resonate under the guidance of the stars and the moon