The Lone Survivor ( Male Reader x Rwby and Left For Dead Harem/Crossover)

When the infected destroyed the world all hope was lost.

Y/N lost everything and everyone he loved and cared about in his world.

Believing he the only survivor with morals as he doesn't kill unless necessary.

Meeting up with the old and new survivors as the infected blocked their escape and they went to have a Last Stand.

Suddenly a portal opens up and Team Rwby Came and helped.

But to their shock their arua and semblances doesn't work in your world.

Being brought back to their world you and the survivors desires to go back to your world and try to save it.

Will Remnants soldiers and people be able to destroy the infection? Bring balance to your world? Or is it doom? And Remnant will be infected too?