Kirito, whose real name is Kirigaya Kazuto, is the main protagonist of Sword Art Online. He is an exceptionally talented swordsman known for his rare dual-wielding ability and serves as one of the leaders of the attacking faction. Despite his incredible combat skills and strategic importance, Kirito tends to underestimate himself and maintains a solo playstyle for much of the series. He is characterized by his unwavering determination and willingness to undertake dangerous tasks to protect those important to him. His resolve is tested repeatedly throughout the series, particularly in his efforts to rescue Asuna from ALfheim. Kirito demonstrates both combat prowess and investigative intelligence, able to uncover deceptions and adapt his strategies in critical situations.