Yenra Sailor Mercury, Sailor Moon Sailor Mercury Cosplay Photo: A woman dressed in a blue and white costume, posing in front of a large window with plants on either side. The costume consists of a short blue skirt, knee-high socks, and long gloves, all matching the color scheme of the outfit. Her hair is styled in a bob cut, adding to her overall appearance as Sailor Mercury from the popular manga and anime series Sailor Moon.