U-110 is a fictional character from the mobile game and anime series Azur Lane, which features anthropomorphized ship girls from various nations during World War II. U-110 is depicted as a playful and mischievous submarine from the Iron Blood faction, known for her shark-like appearance and behavior. Despite her small size, she is skilled in underwater combat and reconnaissance. In the series, she often provides light-hearted moments and comic relief, balancing the more serious tones of naval warfare with her curious and carefree personality.