Queen Emeraldas is a classic space opera manga and anime-related franchise created by Leiji Matsumoto. It follows the mysterious and formidable pirate queen Emeraldas as she travels through space aboard her iconic ship, seeking freedom, justice, and adventure across a vast sci-fi universe. The series is closely connected to Matsumoto's broader Galaxy Express 999 and Captain Harlock settings, sharing themes of loneliness, honor, and cosmic wandering.