Nagi Kannagi is a central character in the anime series 'Kannagi: Crazy Shrine Maidens.' She is a goddess who materializes from a sacred tree and takes on the form of a young girl. With a vibrant and somewhat mischievous personality, Nagi attempts to purify the world of impurities that have manifested as evil spirits. Throughout the series, she relies on the help of Jin Mikuriya, the protagonist who inadvertently brought her to life. Nagi's character blends comedy and charm, providing both entertainment and depth to the storyline.