Netto and Rockman aren't a kid and his power-up, they're two halves of the same person, bickering and saving each other in equal measure. The show treats net battles like a real sport that matters, where losing means something, winning teaches you something, and the bond between boy and navi is the actual weapon. Every arc builds on what came before instead of resetting, which means the show respects your time and knows exactly how to make you care about a kid screaming into a handheld device.
In the year 20XX, Netto Hikari begins fifth grade with a special present: his own customized Net Navi, Rockman. Rockman is small and far more responsible than Netto, yet the two boys soon become best friends. A Net Navi guides its operator from inside a Personal Terminal, known as a PET, and kids and grown-ups alike enjoy friendly Net Battles, pitting their Navis against each other to prove what they can do. Expect a mix of action, adventure, comedy and sci-fi.