Jintsuu Kai is a personification of the Imperial Japanese Navy light cruiser Jintsuu in the popular browser game and anime series Kantai Collection (KanColle). As a 'Kanmusu' (Fleet Girl), she is depicted as a gentle and loyal character, often taking on a caring, big sister role among her peers. In the series, Jintsuu Kai is recognized for her calm demeanor and strong sense of responsibility, often leading and supporting other fleet girls in their battles against the Abyssal Fleet.