I-8 is a character in the Kantai Collection (KanColle) franchise, which anthropomorphizes World War II naval vessels as young women. I-8 represents the Imperial Japanese Navy's I-8 submarine and is depicted as a polite and somewhat serious girl. In the game and anime, she is part of the submarine fleet, often portrayed as reliable and adventurous due to her real-life counterpart's historic missions. I-8 plays a supporting role, assisting the fleet with reconnaissance and underwater operations.