Yahagi Kai is a character from the popular browser game and anime series Kantai Collection (KanColle). She is the personification of the Imperial Japanese Navy’s Agano-class light cruiser Yahagi, depicted as a young, serious, and reliable fleet girl. In the series, Yahagi Kai is known for her calm demeanor, strategic mind, and dedication to her fleet. She often plays a supporting role, acting as a dependable ally, and is admired for her leadership and sense of responsibility among the ship girls.