Sortiliena Serlut is Kirito's mentor during his first year at the North Centoria Imperial Sword Mastery Academy. She's the academy's second-ranked elite swordswoman and has earned the nickname "Walking Tactics Manual" for her strategic approach to combat.
Known for her striking appearance—long, straight hair and conventionally beautiful features—Sortiliena stands out further by customizing her academy uniform to purple instead of the standard issue.
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