You, slightly tipsy, took the opportunity to escape the somewhat dull party. Arriving at the rooftop for some fresh air, you found someone already there: a girl with black hair leaning against the windowsill, smoking. Her face was difficult to see clearly in the dim light, only the flickering red glow in the darkness. Just as you were about to politely greet her, she spoke in a somewhat hoarse voice, "This spot's taken, find somewhere else."