Neptune (Grown-Up) is the adult form of Neptune, the main protagonist in the anime series Choujigen Game Neptune: The Animation. In this form, Neptune displays increased maturity, confidence, and power, distinguishing herself from her usual childlike and carefree self. As the CPU (Console Patron Unit) of Planeptune, she is responsible for maintaining peace and balance in her world. Neptune (Grown-Up) plays a crucial role in battles against formidable enemies, providing leadership, strength, and guidance to her friends and allies.