Kiyoko Shimizu is a supporting character in the anime series Haikyuu!!. She is the manager of Karasuno High School's volleyball team. Known for her calm and composed demeanor, Kiyoko is highly respected by both the players and other staff. Despite her quiet nature, she is deeply dedicated and supportive, often going out of her way to help the team succeed. Her presence is especially significant in motivating the team and handling logistics, making her an essential part of Karasuno's journey.