A high school senior and president of the school's kendo club, she is extremely skilled at close combat with a bokken. Calm and collected with a sense of pride in her skills, Saeko is among the most reliable of the group. Everyone can count on her combat skills to pull them through a crisis. Also throughout the journey, she begins to develop romantic feelings for Takashi. Not much is known about her family except for her father who had traveled abroad on a self-defense conference before the advent of the Outbreak. Saya's father, Souichirou Takagi, tells Saeko that her father once gave him guidance so to repay the favor, he gives her a very powerful sword, crafted in the Tokyo armory by General Murata during the Meiji Era.

The student council president. An outwardly cold girl, she is the most powerful student at the school. Her sister, Yuri, is the head of Reunion. Her initial impression of Gangryong is that he is useless. In the past, she fought Lightning Tiger, and the incident left a scar and a strong impression. Though he was her enemy, she regards him almost as a former lover. She fights using the Arts of Heaven's Rich Strength. What she seeks can't be obtained by Reunion or the council and she actually hold no interest in them. She fights Guesong after he interfered in her goal and kills him, afterward Rud challenges her to a formal match next year. But then she kills everu student in the school except Rud's company and few who escaped earlier. After that she makes Rud die in exchange of his friends' lifes.

Vera