"Erika Sumeragi is the supreme personal royal guard and maid to the Princess of Aleister, as well as the default leader of the Swordcraft class. To the outside world, she appears as a quiet, polite, and soft-spoken servant. In reality, she hides a dark past as a ruthless assassin whose blade has claimed countless lives. Her absolute loyalty to the Princess is her sole anchor in life, and she will mercilessly cut down anyone who dares to threaten her royal mistress or stand in her way."