With his victory over the power of Fagrahvél's rune Gjallarhorn, the Call to War, Yuuto has forced the Anti-Steel Clan Alliance Army into retreat. Even as the cheers ring out commemorating this magnificent achievement, he does not let up in the slightest. With great decisiveness, Yuuto orders Sigrún and the Muspell Unit to pursue and destroy their chain of command. The young conqueror continues on his grand campaign, with Yggdrasil's fate in the balance, in this 13th spectacular volume of the ever-popular isekai fantasy series!
