Serena tugged her trunk down the crowded corridors, stopping every now and then to gaze out the window at the ever-changing scenery. She pushed open a door and looked inside, to see that it was full. Or at least, full in her opinion. There was one person inside. She pulled her head out quickly, and continued down, finally coming to a completely empty cabin. She placed her patched bags inside and sat down in the corner, pulling a pen from her pocket and starting to doodle on her hand.