Nepgear, known as Purple Sister in her transformed form, is a major character in the anime series Choujigen Game Neptune (Hyperdimension Neptunia: The Animation). She is the younger sister of Neptune (Purple Heart), the CPU of Planeptune, and serves as the CPU Candidate of Planeptune herself. Intelligent, earnest, and kind-hearted, Nepgear supports her sister and friends, often acting as the voice of reason. As Purple Sister, she gains enhanced powers and plays a pivotal role in defending Gamindustri from various threats.