Umi Sonoda is a main character in the anime series Love Live! School Idol Project. She is a high school student at Otonokizaka Academy and a member of the school idol group μ's (pronounced 'muse'). Umi is known for her serious and disciplined personality, often acting as the voice of reason within the group. She is skilled in archery and takes her idol activities very seriously, balancing them with her academic and club commitments. Despite her stern demeanor, Umi deeply cares for her friends and is dedicated to helping μ's succeed.