'Dragon Ball SF (ドラゴンボールSF, 'Doragon Boru SF; SF meaning Strongest Fighter, commonly abbreviated as DBSF) is a is a fan made sequel taking place after Dragon Ball GT. Nikon23 writes the plot outline and develops the story. The story of Dragon Ball SF takes place within the 100 year gap long before Dragon Ball GT "A Hero's Legacy". The manga chapters can be found on Deviantart and TheOtaku presented by Nikon23, himself.