Ryōshū is represented as a woman of average height and build, having black hair with a bob cut style and sharp red eyes. She wears her work coat around her shoulders, with it supported by a small belt attached to her coat. Attached to the coat itself is her ID card, and the interior of the coat is red. She wears a white long-sleeved shirt underneath her coat, and black trousers. She appears to occasionally be depicted with a black glove on her left hand.