Lan is sent to investigate the disturbance and believes them to be enemies, so MegaMan battles with GroundMan. However, Maylu, Chaud, and their respective Navis rush to the scene to clear their names.

In the year 20XX, a young boy named Netto Hikari receives a very special gift as he enters the 5th grade: his very own customized Net Navi, Rockman.