Natsumi Hinata is a vibrant and energetic character from the anime series Keroro Gunsou, also known as Sgt. Frog. As the older sister in the Hinata family, she plays a significant role in the series, often finding herself at odds with the titular alien frog, Sergeant Keroro. Natsumi is known for her athletic prowess, her fiery temper, and her protective nature towards her younger brother, Fuyuki. Despite her frequent frustration with Keroro's antics, she shows a caring side and helps maintain the balance between the alien invaders and her family.