I realized that this world was actually a novel depicting the desperate struggle between the Demon King and the Hero.

After discovering that the current timeline was set twenty years before the beginning of the novel, I went to war simply to survive and eventually became a renowned war hero.

While serving as a general, I defeated the princess of the opposing Empire of Liberia, Aisia Lil Shuhain, in a one-on-one duel.

But by doing so, I ended up rendering infertile the woman who, in the future, was destined to become the Hero’s mother