Seventeen-year-old Dai Yazu is a high school student who also holds the top rank in the world’s treasure hunter rankings. One day during class, his dying grandfather visits him and entrusts him with a mysterious stone. This object sets Dai on a perilous treasure hunt that leads him into conflict with extraterrestrial forces. The story follows his dangerous challenge to uncover the secrets behind the alien artifact, blending treasure-hunting adventure with science fiction. The narrative focuses on Dai’s resourcefulness and determination as he navigates threats from both human rivals and otherworldly beings in pursuit of the legendary alien treasure. The manga is a single-volume seinen work, originally written by Hideyuki Kikuchi with art by Reiji Hagiwara.