Sword Art Online: Lost Song features all-new Aerial Battles and an array of customization features. With an original story based on the ALfheim Online realm, fans will be able to play as Kirito or other key characters from Sword Art Online including Leafa and Asuna to explore Svart ALfheim, a brand new area of ALfheim Online. Players will also be able to create their own customizable avatar and experience co-op play with up to three other friends online.