Question: who is yuuki sword art online?
Answer: Konno Yuuki (紺野木綿季, Konno Yūki?), known as Yuuki (ユウキ, Yūki?) in «Serene Garden», «Asuka Empire», «Insect Site», and «ALfheim Online» (ALO), was the deuteragonist of the Mother's Rosario side story, and the protagonist of the Sisters' Prayer side story in the Sword Art Online series.