Yulier (ユリエール, Yuriēru) was one of the 10,000 players who were trapped in «Sword Art Online», where she served as a vice commander for the Aincrad Liberation Force. She was devoted to aiding Thinker with his duties. After escaping from «Sword Art Online», Yulier married Thinker in real life and began playing ALfheim Online with him.