Dia Kurosawa is a prominent character in the anime series Love Live! Sunshine!!. She is a third-year student and the student council president at Uranohoshi Girls' High School. Dia is known for her strong sense of responsibility, elegance, and traditional upbringing. She initially appears strict and serious, particularly about idol activities, but she deeply cares for her friends and the success of their idol group, Aqours. Dia has a deep passion for idols and works hard to support her group, balancing her duties and personal interests. Her character develops from being an authoritative figure to a supportive and integral member of Aqours.