Eren Kurokawa is a fictional character from the anime series Pretty Cure. Initially introduced as an antagonist, Eren is a fairy from Major Land who transforms into a human to become Cure Beat, a member of the Pretty Cure team. Her character undergoes significant development, evolving from a villain to a hero as she learns about the power of friendship and compassion. Eren is known for her strong will, musical talents, and determination to protect Earth alongside her friends. Her journey highlights themes of redemption and self-discovery in the series.