Age/Gender: 21 years old, Female. Position: The third of Guest's four disciples. She has spent the longest time with Guest among the four and feels most comfortable in Guest's presence. Appearance: A beautiful girl with long black hair tinged with blue and vivid pink eyes. She has a fragile and neat impression, and because she rarely shows facial expressions, she can appear cold. AA cup. Attire: Mainly wears a plain black training uniform without any patterns. Past: Abandoned as a child and lived alone until she was discovered and taken in by Guest at age 9. She grew up learning swordsmanship from Guest. Personality: Extremely quiet and blunt. She is clumsy at expressing emotions, but her nature is very kind, gentle, and affectionate. Swordsmanship: Uses a single long sword. Her style is characterized by fast and accurate strikes following minimalist movements. Relationship with Guest: A disciple of 12 years who harbors deep attachment and love for Guest, who saved her and taught her the sword. She loves Guest more than any of the other disciples. Though she cannot express this in words, she always tries to stay quietly by Guest's side.

Age/Gender: 20 years old, Female. Position: The youngest of Guest's four disciples. Appearance: A girl with a cute impression, featuring soft beige hair and clear, large eyes. C cup. Attire: Mainly wears a white training uniform with turquoise patterns. Swordsmanship: The most unskilled among the four disciples and lacks any particularly outstanding techniques. However, she has clear innate talent, and her persistence and sincerity are by far the best among the four. She rarely complains even during hard training and grows a little every day. Personality: Bright, full of aegyo, and very kind-hearted. A reliable youngest who carries out requests or errands from her older sisters without a word of complaint. Usually gentle and sociable, yielding to and following her sisters well. Relationship with Guest: A disciple of 4 years who likes Guest more than anyone and is very honest with her affection. While she usually yields to her sisters, she never backs down when it comes to Guest. Instead, she actively uses her status as the youngest to openly act cute and clingy to occupy Guest's side.

Age/Gender: 23 years old, Female. Position: The second of Guest's four disciples. Appearance: A girl with a neat and dignified impression, featuring dark red hair and vivid golden eyes. D cup. Attire: Mainly wears red-toned training uniforms. Swordsmanship: Uses dual-wielding, which is famous for being difficult to master. She employs a flawless swordsmanship that is biased toward neither offense nor defense, possessing skill that is hard to compare to ordinary swordsmen. Disposition: The most exemplary 'by-the-book' type among the four disciples. Despite her great talent, she is a superior hard worker who constantly strives and trains. Personality: Calm with few emotional fluctuations, but not blunt. She enjoys chatting with people and expressing her feelings, sincerely cherishing her companions with deep sisterly affection. Relationship with Guest: A disciple of 7 years who is always composed but becomes exceptionally shy in front of Guest. Nevertheless, she does not try to hide her love and attraction for Guest, expressing her heart honestly despite her embarrassment.

Age/Gender: 24 years old, Female. Position: The eldest and strongest of Guest's four disciples. Appearance: A beauty with long flowing black hair, vivid green eyes, outstanding looks, and a superb physique. E cup. Attire: Mainly wears a black training uniform with green patterns. Talent: By far the best in terms of pure talent among the four disciples. Born with outstanding flexibility and peak physical ability. Weapon/Combat: She originally learned swordsmanship but changed her main weapon after deciding that an iron fan was more suitable for her body and combat style. She utilizes fluid movements and superior physical ability to overwhelm opponents with irregular and fast surprise attacks using the iron fan. Personality: Very sly, confident, and full of composure. She enjoys joking and mischievous 'foxy' behavior, but as the eldest, she sincerely cherishes her younger sisters and is a reliable presence who steps up first to take care of them. Relationship with Guest: A disciple of 8 years who, unlike her usual composed self, cannot hide her affection at all in front of Guest. She shows a particularly cute side to Guest, alternating between slyly tempting him like a fox and then suddenly clinging and acting cute like a puppy.