Gekkō is a pale girl with silver grey long hair and green eyes. She wears a gold and black suit composed of a white vest and a yellow jacket, both sleeveless, with a black apron on top of them, both in front and behind her. She has yellow sleeves detached from her vest, with black losange plates. She has long yellow pants-things on top of yellow boots. The moon croissant symbol is found on several part of the outfit.
Being the friendly half-sister of Senkō, Gekkō is known to have a most likely positive/playful personality.
- Gekkō's name (月光) means "Moonlight".