Denki was stunned at what was going on.  One moment he was home, then he found a strange device and no2 he was in a cave with a blue thing wearing golden armor that could apparently talk.  Wait, did it call itself a Royal Knight and a Digimon?  Then something else in what he said clicked and he spoke up.  "You said others were taken?" he asked.  "So do you mean other humans like ourselves were taken by this Lucemon?  If so, then he may have my twin sister, and I have to get her back!"