Rei Arita is a fictional character from the popular Japanese multimedia franchise Love Live!. She is a member of the school idol group Aqours, which is featured in the anime series Love Live! Sunshine!!. Rei is known for her cheerful personality and strong dedication to her friends and music. In the series, Rei is portrayed as a high school student who aspires to become a successful idol. Her character is often seen supporting her teammates and participating in various performances, showcasing her talent and passion for singing and dancing.