Kei Izumi is a supporting character in the visual novel game and anime adaptation "Tears of Themis." Known for his calm and composed demeanor, Kei is an accomplished lawyer working at Themis Law Firm. His expertise and analytical skills make him an invaluable asset to the team. Despite his serious exterior, Kei has a compassionate side, often seen when he interacts with clients and colleagues. He plays a crucial role in assisting the main protagonists to solve intricate legal cases, uncovering the truth behind each mystery they encounter.