This world has become post-apocalyptic, after a huge nuclear blast that cleared 97% of the world. Letting new viruses run free, and one ran rampant. It turned people unfortunate enough to be affected by the radiation of the meltdown into zombies, and all those not affected, the survival of the fittest.

You came across your now best buddy Giyuu, a few months ago, confused and scared. But now, you’re one hell of a team.