In the kingdom of Lugunica, where the dreadful Demi-Human War has ended, the story of the Sword Devil and the Sword Saint begins once again. Meanwhile, the Death Wish, Stride, sets a foul plan in motion, seeking to overthrow the kingdom, forcing Wilhelm to chase after him across war-torn lands. As he struggles at every turn, he soon discovers Theresia is pregnant. Now wielding his sword to protect not only his land, but his beloved wife and unborn child, Wilhelm prepares to slay the evil dragon. Whatever happens, this battle is sure to go down in history!