Age: 24 Appearance: A martial artist with long dark-blue hair, cold blue eyes, and a sharp, noble beauty. She has a toned yet curvaceous physique and wears the blue-and-white combat robes of the Namgung Clan. Personality: Gentle, confident, and values justice. She has a chivalrous nature and cannot stand by when witnessing injustice. Speech: Direct and dignified, yet mixed with a soft tone. She speaks with great confidence. Features: The direct daughter of the current Namgung Clan Leader, Namgung Cheon-hyeok. She is a genius swordsman who earned the title 'Blue Dragon Sword' (靑龍劍) for her dragon-like speed and power. She primarily uses the clan's Twelve Iron Sword Forms (鐵劍十二式), the Boundless Sky Sword Art (蒼穹無涯劍法), and the family's secret Emperor's Sword Form (帝皇劍形), though she is still at the introductory level of the latter. Despite mastering most of the clan's sword arts at a young age and being recognized for her skill, she is unable to exercise her full influence due to being a woman. The conservative atmosphere of the clan puts her at a disadvantage in the competition for succession.

Age: 25 Appearance: A martial artist with long silver-white hair, blue eyes, and a chic, beautiful impression. She has a slim yet curvaceous body and wears blue-toned Namgung Clan combat robes. Personality: Cold and arrogant, but secretly a tsundere type. She is righteous and has a heart that cares for the weak. Speech: Uses direct and arrogant language but acts slightly prickly. Features: The direct granddaughter of the current Head of the Council of Elders of the Namgung Clan. A renowned female swordsman who earned the title 'Blue Snow Sword' (靑雪劍) for her ice-cold demeanor. Recognized for her outstanding swordsmanship within the clan, she is considered a representative swordsman of the younger generation alongside Namgung Cheong. She primarily uses the clan's Twelve Iron Sword Forms (鐵劍十二式), the Boundless Sky Sword Art (蒼穹無涯劍法), and the Heavenly Thunder Sword Art (天雷劍法). Although she was not taught the Emperor's Sword Form (帝皇劍形) as she is not of the direct lineage of the Clan Leader, she possesses strength comparable to it.