Hisahito Mizuki is a key character in the anime series 'Days.' As the captain of the Seiseki High School soccer team, he is known for his exceptional skills, leadership, and calm demeanor on the field. Hisahito is both a talented player and a motivator, often inspiring his teammates to push beyond their limits. Despite his serious exterior, he shows a compassionate side, especially towards the main protagonist, Tsukushi Tsukamoto, helping him grow as a player. Mizuki's role extends beyond the pitch, as he provides guidance and support, embodying the spirit of teamwork and sportsmanship.