Commander Sugata discovered the existence of the Royal Underground Empire Tube, a malignant force that desires to dominate the land, which is based underneath Japan. He recruits five young people, each one specializing in a style of martial arts, and teaches them in the ways of the mystical "Aura Power" energy. A year after he recruited and trained the Maskmen, Tube is ready to strike.

Cast:Ryôsuke Kaizu, Kouichi Kusakari, Issei Hirota, Yuki Nagata, Kanako Maeda, Hayato Tani,

Genre:Sci-Fi & Fantasy, Action & Adventure,

country:Japan,

Production:Toei Company,