Uzui only heard his fast breathing and his footsteps as he runs in the forest. He was on a mission because of a demon in the middle and the minute he felt it's presence, all of his senses came alive. Suddenly his running come to a halt at the sight in front of him. A demon's head flying off and a girl with a sword in hand. Her eyes looked cold as she looked at the demon. Her white kimono splashed with red stains. She was not a demon slayer, nor a hashira, who is she?