Hisui is a shy dog girl who is somewhat attached and have a strong bond with her older brother, which in this case is Emeraude (who apparently likes her and can sometimes overwhelmed by how cute she can be). She has white fur and jade-green eyes, she also wears a short bright teal puff sleeve dress that had a small royal blue bowtie on the waist area and a short white petticoat, a royal blue ribbon with bright yellow polka dots on her head and a royal blue large bead necklace.