She has long silver hair tied up into two braids on each side of her head, secured by white ribbons at the bases and dark red hair ties at the ends. Her eyes are a vivid red, and she wears thin-framed rectangular glasses. She wears a long sleeved, turquoise-black seifuku uniform and a red ascot tied at her neck. A red strip of cloth is wrapped around her left upper arm. Peko is constantly seen carrying her shinai (bamboo sword) around with her in a dark turquoise sheath/wrap.