Nono Daichi is a supporting character who appears in the film as one of the idols from the Aikatsu side of the crossover. She is a second-year student at Starlight Academy and hails from a farming family in Hokkaido, a rural upbringing that grounds her personality in hard work, sincerity, and a down-to-earth warmth. She debuted as a rookie idol alongside her best friend Lisa Shirakaba, whom she affectionately calls Lisappe, and the two entered the academy together after being inspired by the performances of the group Luminas. Nono is classified as a sexy-type idol, and her primary brand is Dolly Devil, which influences her fashion and stage presence with a bold, edgy yet playful aesthetic. She has a cheerful and energetic disposition, often displaying a bright smile and an enthusiastic attitude toward her idol activities. Her motivations are rooted in a lifelong love of performing that began in childhood, and she pursues her dream of becoming a top idol with determination and a strong sense of camaraderie. In the film, Nono participates in the collaborative stage festival that brings together idols from Starlight Academy and Para Lodge, and she is featured in the performance of the song Kono Uta Tomarei Hi alongside Lisa Shirakaba and PriPara idol Fuwari Midorikaze. This performance showcases her vocal ability within the crossover setting, highlighting her capacity to harmonize with idols from a different franchise. Her key relationships include her deep friendship with Lisa Shirakaba, which serves as an emotional anchor for her character, and her admiration for the senior idols in Luminas. Through the film, Nono represents the spirit of collaboration and mutual respect between the two idol worlds, and her presence contributes to the theme of miraculous encounters that defines the movie. Her development is subtle within the crossover context, as she is already a confident and capable idol, but her interactions with unfamiliar PriPara idols demonstrate her openness to new friendships and her willingness to grow through shared experiences.