Doomsday: Surrounded by Beauties, I'm the Ace

[Slow Burn, Harem, Western Fantasy, Invasion by Other Races, War, Mecha, Passionate]

When I open my eyes, my entire unit is dead, and I'm the sole survivor. In this monster-infested post-apocalyptic world, I think I'll have to fight alone, but before long, goddesses begin gathering around me.

Every one of them is a heaven-blessed beauty, yet they're all willing to put their backs in my hands. For their sake, I'd trample the entire abyss!