Nagisa Hazuki is a bright and energetic high school student who plays a pivotal role in the anime series 'Free!'. As a member of the Iwatobi High School Swim Club, Nagisa specializes in breaststroke swimming. His cheerful and optimistic personality often serves as a source of motivation and encouragement for his teammates. Despite his playful demeanor, Nagisa is deeply committed to his friends and the club, often going to great lengths to support and inspire them. His character adds a vibrant and youthful dynamic to the team, fostering a strong sense of camaraderie.