In the year 220X, a mourning 5th grader named Geo Stelar (Subaru Hoshikawa) is given an invention made by his late father called a visualizer, which allows him to see radio-wave-based aliens, ...

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.