Sword Art Online

Sword Art Online (SAO) is a Japanese light novel series written by Reki Kawahara, adapted into an anime, manga, and games. The story starts in 2022, where players find themselves trapped in a virtual reality MMORPG, Sword Art Online. The protagonist, Kazuto "Kirito" Kirigaya, along with Asuna Yuuki and other players, must navigate through the game's various worlds to escape, facing life-threatening challenges. The series explores themes of technology, reality vs. virtuality, love, and friendship.