Once again dark chips begin to spread throughout the city, This time the dark chips are disguised as normal chips, which people continually use on their Navis to improve their performance, but of course results in a poisoning condition where the Navis begin to go wild. It is unknown how as Regal was defeated before, but Netto and Rockman get busy finding how to trace the dark chip factory. At that time Laika who is on a strictly confidential duty comes to Japan from Sharo. - Heat Man