Seija has red eyes and black hair with white highlights on her back and a single red highlight in her front bangs. Her hair reaches her shoulders. She has two small light blue horns, and wears a white dress that ends in grey, red, and black sword patterns that can symbolize her ability, as they look like arrows pointing up and down. Her dress is wrapped around her waist with an upside down blue bow. She wears traditional sandals with purple straps. She wears a golden bracelet on her right arm.