Thirty million years ago in the super ancient times, darkness almost ruled the world, but a giant saw the light coming out of the gap, so he sealed his companions and disappeared. Time has come and modern human technology has developed rapidly. Not only the moon, but also Mars humans have set foot on it. However, as the danger of exploring the unknown comes uninvited, the young Kengo Manaka carries a pure dream and fights for the smile of his partners and everyone.
