The Dark World Of VTubers.

A once peaceful neutral planet called Earth throughout the years became a new darkened never-ending war of survival. About half of the population is wiped out by the unknown enemy entities. No one knows for sure on what happened, but it was clear that there was no safe haven among the ruined towns and cities. However, there may still be a chance of hope as young warriors from another world is called forth in order to restore the world and find out the root cause of it all.