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Dr. Araki was a Hiroshima survivor whose parents had died in the blast. As an adult, he moved to Nevada to work on Gamma bomb tests for the U.S. government, but during a countdown Araki spotted teenager Ricky Tenda in the blast zone. Leaving the safety of his bunker to rescue Ricky, Araki told his assistant Igor to hold the count, unaware Igor was a Russian spy; the count continued, and though Araki got Ricky to safety, he was caught in the blast himself and transformed into the raging monster "The Hulk".
Ryouma is always ready to defend the weak and fight for honor, but that doesn't help you get the girl. Caught in the middle of a fight between gods, Ryouma was found worthy and become one with the Warrior King of the Southern Skies. Now NOTHING makes sense, as he has to juggle his high school studies and epic battles that shake Heaven and Earth.