Fan:Digimon Data Force

Digimon Data Force is a fan anime series where the Real World is set in Japan. It focuses around 5 humans who get transported to the Digital World and happens around the same time as Digimon Fusion, they occasionally meet the characters from it, too. It carries elements from Digimon Tamers, as they go down the hole and enter the Digital World.

Main Plot
A mass evil has fallen on the Digital World, and 5 teenage kids are called from Japan in the real word to destroy it, although they are not trapped in the Digital World. They must team up with other children to defeat this dark force.