In a modern world where dungeons are scattered across the globe, Yamagata Kouhei, a middle school graduate on the verge of high school, awakens to skills and becomes a dungeon explorer. With his uniquely poetic skill, "Journey Through a Wilderness Where Not Even the Wind Blows," the boy embarks on an adventure in the Great Dungeon Era! This novel is a multi-post with updates on both Harumeln and Kakuyomu. A side story, "Great Dungeon Era Historia," has also begun. Both book and comic versions are available.