Earth Defense Girl Iko-chan 2: Lunna's Secret(1988)

Earth Defense Girl Iko-chan 2: Lunna's Secret follows a new hero who inherits the mantle of Earth's defender after Iko Kawai's retirement. Tasked with protecting the planet from emerging threats, the fresh recruit must master monster combat and high-stakes rescue missions while learning what it takes to be humanity's guardian. The film balances action-packed battles with the personal struggles of stepping into legendary shoes, as the new Iko-chan discovers that saving the world demands more than raw power—it requires courage, strategy, and the weight of an entire planet's hopes resting on their shoulders.