Hiei is a notable character from the anime series Kantai Collection, which is based on the popular online game of the same name. Hiei is personified as a battleship, one of the Kongo-class ships, and is depicted as a young woman with a strong-willed and determined personality. She serves as a secondary protagonist and is often seen as a reliable and loyal ally to the main fleet. Hiei is characterized by her unwavering dedication to her duties and her close relationship with her sister ships, particularly her admiration for her elder sister, Kongo. Her role in the series is pivotal as she often leads the fleet into battle, showcasing her strategic prowess and leadership skills.