Kingdom Hearts: Operation Sonata

 is a fanon game created by Malheur Company. It takes place at  A.T.C. 78 (5 Years after the events of Kingdom Hearts: Symphony).

Characters

 * Sonata Rebels
 * Xohn - Nho - Rank I
 * Nairaxm - Marian - Rank II
 * Xnyag - Yang - Rank III
 * Rixon - Nori - Rank IV
 * Xereck - Cekre - Rank V
 * Anxaitka -Katiana - Rank VI
 * Xelo - Leo - Rank VII
 * Xugs - Gus - Rank VIII
 * Xarve - Vare - Rank IX
 * Organization XIII
 * Xigbar - Braig - Rank II
 * Lexaeus - Aeleus - Rank V
 * Zexion - Ienzo - Rank VI
 * Axel - Lea - Rank VIII
 * Demyx - Myde - Rank IX
 * Larxene - Arenel - Rank XII
 * Exevegurin - Guinevere - Rank XVIII
 * Nyrasax - Sanary - Rank XXI
 * Keyblade Wielders
 * Sora
 * Riku
 * Kairi
 * Ria

Piria Empire

 * Ria vi Piria
 * Graham vi Piria

U.C. 0096

 * Banagher Links
 * Cardeas Vist
 * Mineva Lao Zabi/Audrey Burne
 * Takuya Irei
 * Micott Bartsch
 * Marida Cruz
 * Full Frontal

Castle Oblivion

 * Xigbar
 * Lexaeus
 * Zexion
 * Axel
 * Demyx
 * Larxene
 * Exevegurin
 * Nyrasax