Kurumi is a little girl with long white hair reaching down to her legs. She has a fringe on the front of her hair and two locks of hair tied with blue hairbands on both sides of her head. She has blue eyes and wears a white dress with a yellow pendant or a locket on her chest. She is seen wearing a yellow pair of shoes.
Born with an illness that left her very weak, Kurumi was unable to enjoy a normal school life.