A wasteland mercenary is reborn in a different world after a nuclear explosion, inheriting the bloodline of giants and embarking on a mercenary journey once again.By their side is a soft and cute cat-girl scout, always ready to assist. A gentle yet adorably clumsy mushroom girl silently watches over them from behind. The proud and romantic Swan Sword Maiden shields them from the blades aimed at their back. There's also the sultry tavern owner who prepares heartfelt breakfasts, and the sensual yet intellectual mentor who hosts candlelit dinners. The iron-blooded Empress of the Iron Empire fiercely supports them, while the fearless Pirate Queen raises the sails in their honor.The legendary mercenary looks at the women confronting each other and sighs in frustration. "Weren't the strong in this world supposed to have multiple wives? Why has it become a legendary battlefield of love for me?"