Rurun Kurokawa is a supporting character from the anime series 'Futari wa Precure.' She is a small, mascot-like fairy who hails from the Garden of Light and acts as a guide and companion to the main heroines, Nagisa Misumi and Honoka Yukishiro. Rurun assists the Cures in their battle against the Dark Zone, providing advice and emotional support throughout their journey. Her playful and caring personality helps to keep the team motivated in their quest to protect both worlds.