Haine Otomiya is a fictional character from the popular multimedia franchise Project Sekai: Colorful Stage! feat. Hatsune Miku. She is a member of the virtual idol group Vivid BAD SQUAD, known for her energetic personality and passion for music. Haine has a unique style, often characterized by her vibrant hair and fashionable outfits, which reflect her lively spirit. In the storyline, Haine is depicted as a determined and ambitious individual who strives to make her dreams come true through her performances. Her character resonates with fans due to her relatable struggles and growth, making her a beloved figure within the Project Sekai community.