Celia Hills is a main heroine in the visual novel and anime adaptation 'Little Monica Monogatari.' She is the caring and gentle childhood friend of the protagonist, Will. As the daughter of the former mayor of Little Monica, she plays a significant role in supporting Will as he returns to his hometown and becomes entangled in the town's secrets. Celia is known for her kind-hearted nature, loyalty, and the emotional support she provides to the main characters throughout the series.