Sakuya

Lady Sakuya (サクヤ) is the lader 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 stats, she is a formidable opponent in the Slyph dueling tournaments.

ALfheim Online
While during a meating with the Cait Sith, she was attacked by the Salamanders lead by General Eugene. At the same moment, Kirito flew 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.