Yuuki Asuna (結城 明日奈, Yūki Asuna), known as Asuna (アスナ, Asuna) in Sword Art Online (SAO), ALfheim Online (ALO), and Project Alicization, is the deuteragonist of the Aincrad Arc in the Sword Art Online series, as well as the protagonist of the Mother's Rosario side story.
