Allegro!

""While Netto is in Sharo an incident occurs in Japan's cyber world. It is said that the Navi who was participating in a certain game and getting good results has gone missing. Enzan and Meiru embark together to solve the scenario. Roll is used as a decoy in the place that the missing Navi was taken away, and is forced into a Deletion Battle. Enzan and Meiru run to rescue Roll, but the criminal behind the incident becomes upset and opens a dimensional area, and attacks Enzan with viruses."" - Courtesy of Heat Man