Taigei Maru is a fictional character in the game and anime franchise Kantai Collection, commonly known as KanColle. She is the anthropomorphized representation of the real-life Japanese submarine tender Taigei. In the series, Taigei Maru is portrayed as a gentle and supportive ship girl, often providing aid and logistical support to her fellow fleet members. Her transformation into the aircraft carrier Ryūhō is a significant plot point, highlighting her adaptability and importance to the fleet’s operations.