Hina Amano is a pivotal character in the anime film 'Tenki no Ko' (Weathering With You) directed by Makoto Shinkai. She is a bright and kind-hearted girl with a mysterious ability to control the weather, specifically to bring sunshine amidst rain. Hina meets Hodaka Morishima, the protagonist, who discovers her powers. Together, they start a business to clear rainy skies for clients, which leads to unforeseen consequences. Hina's role is central to the film's exploration of themes such as sacrifice, love, and the balance between personal desires and natural phenomena.