Yamakawa Souji

The son of a former Japanese samurai and a Native American tracker, Isamu's parents were killed by racist crooks, and he was taken in by a highly sought after outlaw. Isamu has the potential to become the best gunslinger in the Wild West, but can he survive what comes before him? A early popular work of Weekly Shonen Jump, and a Gekiga version of a popular emonogatari titled "Wild Boy" (荒野の少年).

Dr. Murakami and his son, Wataru, were flying a small plane over Kenya in order to find uranium in the African country. The two discover a white building in the jungle and approach it to check it out, but are shot down by anti-aircraft gunfire. The two escape with parachutes, but are attacked and separated by a giant rhinoceros. Then, before Wataru wandering alone in the jungle, Zega, a great chief of the Maasai tribe, has fallen ill with a fever.