On the first snowfall of that year, Dan Xianchun, who had been roped in to help as a photographer for a cosplay shoot, unexpectedly captures a picture of a girl in a long, green dress through her lens. The girl’s gaze—staring at her—full of complexity and affection, seems to be locked on her, leaving Dan Xianchun as though her heart had been gently pricked. Many years later, when she crosses paths again with the girl who once captivated her so, what kind of sparks will fly between them?