Kokona Ootori is the main protagonist of the anime series 'World Dai Star.' She is a passionate and determined young girl who dreams of becoming a top-tier stage actress, known as a 'Dai Star.' Kokona joins the Sirius theatrical troupe, where she faces numerous challenges and grows both as a performer and as a person. Her earnest personality and unwavering dedication inspire those around her, making her central to the series' themes of ambition, friendship, and the pursuit of dreams.