Sakuya

Lady Sakuya (サクヤ) is the leader of the Sylph race and an exceptional swordswoman. She was elected by popular vote.

Background
She dresses in black and has long hair. Her statistics are not very high due to her status as a Lord not allowing her to do much training. Despite her low stats, she is a formidable opponent in the Slyph dueling tournaments.

ALfheim Online
While during a meeting with the Cait Sith, she is attacked by Salamanders led by General Eugene. At the same moment, Kirito flies in to save the day. At the end of the arc, Lady Sakuya leads a combined force of Cait Sith and Sylph against the World Tree in an attempt to aid Kirito along his journey.