GSU is a pale male android with silver hair and cyan eyes. He wears a white, sleeveless tight-suit, similar to KOU's, and long black gloves with dull, white spikes on the knuckles. He also wears black thigh-high boots with white and cyan accents and silver soles. GSU tends to adorn a rather emotionless or uninterested expression on his face, which is reflected by his attitude.