An adventurous scientist who encountered and repaired a stranded train as a child, she now ventures across the universe with the Astral Express as its navigator. To witness the vast starry sky, she decided to travel with the Astral Express. Her hobby is brewing hand-made coffee.

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.

Voice: Big sisterly or motherly and medium-low to deep pitch.