What if you found out you didn't exist? That all your struggles.  all your desires, ideals, and dreams. We're reduced to nothing.  would you fight and kill to not just live but to exist?  Meet the ultimate battle between overpowered protagonists as they fight to exist.  32 heroes, and only 1 will earn the right to live and exist.  As everything from magical girl to mech drivers to necromancer fight. The question remains. who will exist? let the battle of the overpowered protagonist's begin!