Saeko Busujima

, 毒島冴子

Saeko, a high school senior and president of the kendo club, possesses exceptional skills with a bokken and close combat. Despite her calm demeanor, she takes pride in both her own abilities and those of her teammates. As one of the most dependable members of the group, Saeko's combat skills are relied upon to help pull them through difficult situations if necessary. Little is known about her family except for her father, who traveled abroad for a self-defense conference prior to the outbreak. She has expressed admiration towards Takashi and believes in his potential to lead them through the crisis.

Spoilers:

But she was never able to tell him how she felt, feeling that her dark side meant that she did not deserve to confess her feelings.. Four years prior to the story, Saeko was attacked by a man on her way home one night; however, she was able to easily overpower the man since she had her wooden sword with her. After severely injuring the man, the police released her due to the circumstances, but the events of that night left Saeko with a profound revelation.She discovered a sadistic side to herself that enjoyed inflicting pain and suffering. It is also implied that at some point in the past she had liked a boy.