At the beginning and throughout the series, Saeko is shown to be a kind, caring, strong and very reliable person, which is pointed out by other characters. Saeko often considers the feelings of other members of the group and often ensures their well being. Later on in the series, Saeko reveals her sadistic side while fighting "them", and she explains to Takashi that she was this way before the start of the story. Saeko's romantic history has been rather lightly touched upon. She only speaks of liking a boy in the past but has never been able to convey her feelings. Also, it is supposed that Saeko has developed intimate feelings toward Takashi, as she always blushes when he talks about her clothing, or, in the mall.
† Appearance †
Saeko has long, straight and shiny blue or sometimes indigo colour hair add to it along with a triangluar fringe at the front that barely touches the ridge of her nose, and she is also shown to have blue eyes. One of Saeko's physical features which is often shown in the manga are her lips, which have a shiny pink appearance. Over the course of the series, Saeko mostly wears her school uniform.
"Four Years ago....I was attacked on the street at night..of course, i didn't get hurt because i had a wooden sword with me. I Smashed his Shoulder Blade and Femur. After i told the police what happened,They gave me a ride home in the police car...."
"The Moment that i realized i had the upper hand over him because of the wooden sword.I pretended i was in fear and incited him without hesitation i fought back. I had Fun Doing it..It was so much fun, i didn't know what to do..That's the real me!! The Truth about Saeko Busujima, i was intoxicated by my own power and enjoyed every moment of it!"