Hiryuu Kanmusu is a personification of the World War II aircraft carrier Hiryuu in the popular browser game and anime series Kantai Collection (KanColle). As one of the fleet girls, she takes on the appearance of a young woman with energetic and optimistic traits. In the series, Hiryuu serves as a diligent and reliable aircraft carrier, supporting her fellow shipgirls in battles against the Abyssal Fleet. She is respected for her courage and perseverance.