The Double-Track Day and Night Have Returned

On a rainy night, senior brother Shen Ran drove Jiang Mu back to Nanjing. The route reported by the car navigation happened to pass through the old neighborhood where she and Jin Chao often visited. Jiang Mu curled up in the back seat, fingertips rubbing the old keys in her pocket. Over the past six years, she had sought comfort from astronomical observation data, but she could never find Jin Chao's "star track."