Koharu Shimoe is a student of Millennium Science School in the mobile game and anime series 'Blue Archive.' She is a member of the Rescue Knights and serves as a healer and support character in the story. Koharu is known for her energetic personality, strong sense of justice, and her dedication to helping others, especially in times of crisis. Her unique medical skills and optimism make her an invaluable ally, often boosting the morale of her friends during difficult missions.