Aqua is one of three protagonists in Kingdom Hearts Birth By Sleep. She is a beautiful Keyblade wielder who, along with her friends Terra and Ven, dreamed of becoming a Keyblade Master. She is the only one of the three to become a Keyblade Master. After certain events that drove them apart, Aqua plans on seeing them again and returning to her home world. In the Jeffrey, Jaden & Friends' Storm Adventures series, she is Jeffrey's love interest, and later on girlfriend, and finally wife. She will also serve as Xion's adopted mother. The only one of Master Eraqus's pupils to have been recognized as a true Keyblade Master. Her orders: to bring the Unversed situation under control, and to keep an eye on Terra. Aqua had a traveling friend called Sonus the Hedgehog, who resembles Sonic the Hedgehog. She is now Kairi adopted sister