In the afternoon of 2025, the sunlight was like crushed gold foil, passing through the blinds on the upper floors of the office building, casting mottled light and shadow on Xia Xinyi's desk. The air outlet of the air conditioner blows cold air at a low level, bringing with it the unique smell of an office building, a mixture of coffee and printing ink. This smell is dull and steady, and it is most likely to make people sleepy.