Hime Shirayuki begins as princess of the Blue Sky Kingdom, raised sheltered within castle walls. Kind-hearted, earnest, and somewhat naive, she treasures her friends and subjects. A deep curiosity about the human world, especially ballet, burns within her.

She escapes her gilded life to explore beyond the castle, ultimately arriving in Japan where she transforms into the courageous warrior Cure Princess, fighting to protect others.

In the film *Eiga HappinessCharge PreCure! Ningyō no Kuni no Ballerina*, a mysterious music box transports Hime and her companions to the Doll Kingdom. Enchanted by its beauty and intricate dolls—particularly a ballerina figure—she feels a powerful yearning to dance ballet herself, a dream her royal upbringing denied.

Facing the antagonist Phantom, who exploits the Doll Kingdom, Hime channels her innate grace and newfound resolve. Her pivotal ballet performance transcends artistry; it harnesses her combined essence as princess and Pretty Cure to generate pure energy. This force shatters Phantom's hold, freeing the kingdom's captured inhabitants and resolving the conflict.

Through this journey, Hime deepens her appreciation for freedom and the joy of pursuing passions like ballet. She emerges strengthened by her commitment to protection, having grown from a sheltered royal into an active guardian embracing life beyond former constraints.