The criminal organization BioNet stole one of the Q-Parts being researched at CERN, which has high regenerative properties. The Gusty Galaxy Guard appointed Guy Shishioh to work with his half cousin Renais-Kardif Shishioh and biologist Papillon Noir in Paris, France. Debuting with the new Super Mechanoid, GaoFighGar, Guy alongside GGG managed to defeat one of BioNet's agents and retrieve the Q-Parts. However amidst of their victory, a pale colored Mamoru Amami appeared after a year of his departure...