He was a man of quite astonishing ugliness. His most prominent feature, a large purplish-red birthmark, spilled across his upper lip, over his mouth, and down his chin. Hair sprouted from his nostrils. Smallpox scars pitted his skin. Protuberant eyes gave him the appearance of an insect, perhaps a mantis. This resemblance was strengthened by his stooped shoulders and by the way he rubbed his bony hands together.
When questioned by Sano Ichirō he did not tell the truth about everything. Sano could deduct this from the way he shifted his feet, when lying. It appeared that he had strong intentions to hinder Sano on his investigations.