Two science fiction heroes from Satoru Ozawa's world are stepping together! Satoru Ozawa, who drew immortal marine science fiction comics "Submarine 707" and "Blue No. 6", published in the monthly magazine "Shonen Gaho" from 1966 to 1967. The phantom hero works, that are "Hunt X" and "Skip Red". This book is the first book in which these two valuable works are recorded simultaneously. ―Huntom X― Three hundred years ago, the Hantom tribe of aliens that drifted to Earth built a kingdom underground with special constitutions and scientific powers like ninjas. They finally set out to invade the ground, but for the sake of justice, the young Kageri of the same Hunttom tribe betrayed the tribe and became an ally of the Earthlings. Pay attention to the super ninjutsu battle that takes place in a narrow space! ―Skip Red― A new American weapon, the Atom Tank, equipped with nuclear missiles, has been stolen by the secret society Hakenkreutz. In order to recapture the tank and save the world from danger, Daisuke becomes Skip Red wearing the cyborg suit "Mechwear" and confronts a mighty conspiracy! "