Neri Ameno is a central character in the anime series 'Hoshizora Tetsudou to Shiro no Tabi'. She is portrayed as a curious and adventurous young girl with an insatiable thirst for knowledge about the world beyond her own. Neri embarks on a mystical journey aboard the celestial train, which travels through the stars to different magical lands. Throughout the series, she encounters various challenges and learns valuable life lessons. Her role is pivotal as she serves as the guide, leading viewers through the enchanting universe and its mysteries.