Ao discovers the RA272 Nirvash Mark One after he unintentionally retrieves his mother's bracelet from Gazelle who was smuggling it for the Japanese Army, and then Gazelle gets him to pilot the IFO, both named the Nirvash by Eureka and created by Renton. After Eureka was handed over to the American Armed Forces ten years ago, as the islanders believe her and Ao's presence angered their local deity the "Sea Colossus" with the appearance of Scub Coral, Ao ended up in the care of his mother's only friend, Dr. His mother one day fell from a clear sky into a bay in Iwato Jima, before giving birth to Ao sometime later. In addition to being Renton's and Eureka's son, Amber's younger brother, and Maurice's, Maeter's and Linck's adoptive younger brother, he is also the nephew of Diane Thurston, and the great-nephew of Yucatan Iglasias.Īo is the son of Renton Thurston and Eureka. He is also the son of Renton Thurston and Eureka, the younger brother of Amber Thurston, the adoptive younger brother of Maurice, Maeter, and Linck, the grandson of Adroc Thurston and Blau Thurston, and the great-grandson of Axel Thurston and Rose Thurston.