Riina Tada is a fictional character from the anime series THE IDOLM@STER. She is an energetic and ambitious young girl who dreams of becoming a rock idol. Despite her tough and rebellious exterior, Riina has a sweet and caring personality. She is part of the Cinderella Project, where she works hard to hone her skills and find her own unique style. Her journey involves overcoming self-doubt and proving herself in the competitive world of idols. Riina is known for her passion for rock music and her determination to succeed.