카자토 키리기야(Kazuto Kirigaya), commonly known as Kirito, is the main protagonist of the light novel series Sword Art Online, written by Reki Kawahara. He is a skilled player in virtual reality MMORPGs and is known for his exceptional swordsmanship and combat abilities. Kirito often takes on the role of a lone wolf but forms strong bonds with other characters throughout the series. In Sword Art Online, Kirito becomes trapped in a deadly game where players must clear levels to escape. His journey explores themes of friendship, love, and the impact of technology on human relationships. Kirito's character has become iconic in the anime and gaming communities.