Nausicaä (; ) is a fictional character from Hayao Miyazaki's science fiction manga series Nausicaä of the Valley of the Wind and his anime film of the same name. Her story is set in the future on a post-apocalyptic Earth, where Nausicaä is the princess of the Valley of the Wind, a minor kingdom. She assumes the responsibilities of her ill father and succeeds him to the throne over the course of the story. Fueled by her love for others and for life itself, Nausicaä studies the ecology of her world to understand the Sea of Corruption, a system of flora and fauna which came into being after the Seven Days of Fire.