The Gundam Meister who pilots the Gundam Exia. He was born in the wartorn Republic of Krugis, where he fought as a child soldier and was saved by the intervention of a mysterious Gundam. After this experience he went on to join the private armed organization Celestial Being under the alias Setsuna F Seiei. He is a quiet and reserved young man who keeps his emotions to himself, but his actions are sometimes impulsive and unpredictable.
