He transmigrates to ancient Sparta in the age of cold steel, reduced to the lowest caste. Forced to survive with three exiled outcasts, he awakens a mysterious affection system: the deeper their loyalty, the deadlier his modern arsenal becomes.
From absurd shocks of pizza and cola to the roar of assault rifles, culminating in Gatling guns and RPGs. When three hundred Spartan elites march with swords, he shatters the ancient battlefield with modern firepower. Amidst survival and deception, he leads the three girls to overthrow the old order in a wild otherworldly rise.
