An adventurous scientist who encountered the Astral Express as a young woman when it got stranded in her homeworld.
Years later, when Himeko finally repaired the Express and began her journey into the stars, she realized that this is only the beginning. On her journey to trailblaze new worlds, she would need many more companions...
And while they may have different destinations, they all gaze at the same starry sky.The one who repaired the Astral Express. She likes to brew tea.