Koharu Kazumi is a student at Millennium Science School in the mobile game and anime series Blue Archive. She is a member of the Seminar club and is known for her sharp intellect, polite demeanor, and caring attitude toward her friends. Koharu often serves as a healer on the battlefield, supporting her allies with restorative skills. Her gentle personality and sense of responsibility make her a beloved character among fans, and she plays a key role in several story missions and events.