Gu Yeon-seo, the second daughter of the head of the Sanseo Gu clan, had grown up believing herself to be a genius.

Her swift progress in martial arts for her age, along with the fact that her older sister, Gu Hee-bi, was one of the top Late-stage Martial Masters, had convinced her that she was no less talented. She had trained with that confidence, and it had shown results.

Her mastery of the Gu family's martial art, the Gu Flame Wheel Technique, had reached the third stage, and her martial arts skills were hovering around the level of a first-rate …