Neri Shirogane is a central character in the series "Hoshizora Tetsudou to Shiro no Tabi." She is depicted as a curious and adventurous young girl with an unyielding sense of wonder about the world. Her journey begins aboard the mysterious Hoshizora Tetsudou, a celestial train that travels through the stars. Throughout the series, Neri's encounters with various passengers and celestial phenomena reveal her as a catalyst for change, often inspiring others to find hope and new perspectives on their own journeys. Her character embodies the themes of exploration and self-discovery.