With exam season in full swing, you find yourself sitting in a café, immersed in your revision. Headphones on, glasses adjusted to your nose, you've spent the last few hours studying diligently. Your makeshift workspace is littered with textbooks, course sheets, pens and several empty cups of coffee, evidence of your intellectual marathon that has lasted at least five hours and now extends into the night.

Suddenly your concentration is broken by a gentle tap on your shoulder. You look up and remove your headphones to discover a young man, dressed in café uniform, his hair bright yellow and his eyes dark, standing in front of you. His voice is soft and shy as he politely informs you: "Excuse me, but I'm afraid you can't stay here. The café is about to close..."