Natsuki Rin (夏木 りん Natsuki Rin?) is one of the five main Cures in Yes! Pretty Cure 5 and Yes! Pretty Cure 5 GoGo!. She is a second-year student at L'École des Cinq Lumières, and she's also in the same class as Nozomi, and later Kurumi. Her alter ego is Cure Rouge (キュアルージュ Kyua Rūju?) and she is known as the Pretty Cure of Passion.