Sortiliena Serlut  

, ソルティリーナ・セルルト

Kirito's mentor during his first year at North Centoria Imperial Sword Mastery Academy is Sortiliena Serlut, who holds the 2nd seat among the academy's elite swordswomen. Known as the "Walking Tactics Manual," she has long straight hair and is often considered beautiful. She wears a purple uniform due to her status as an elite-swordswoman.