Wanting to find out the full story behind the Digimon Hunt, Xros Heart finds a lead in a mythical Digimon named MetallifeKuwagamon. Tagiru's insect-collecting classmate Kaneda enters DigiQuartz with Tagiru and Hideaki. Later on, to Kaneda's dismay, the bug he caught is actually MetallifeKuwagamon who later on takes the boy as a hostage to cover his escape. Eventually, Tagiru and the others find MetallifeKuwagamon with Arresterdramon defeating him while Tagiru saves Kaneda.