This book follows the five members of the "Wild Expedition" as the main line, and revolves around their pursuit of the legendary miraculous ruins. The story begins with unknown rifts and ancient ruins appearing around the world after an epic earthquake. The expedition team is invited to solve interlocking mysteries. The three volumes go deep into different regions - the jungle, the polar regions, and the center of the earth, and unlock secrets that have been hidden for thousands of years. The main line is interspersed with team and personal growth, adventure affects the world structure, and humorous team interactions run throughout. The main plot of each volume is independent and echoes the previous ones. Crisis and adventures continue, and the huge secret behind the ruins is finally discovered.
