The youthful Johnny Joestar, a crippled former horse racer, has come to San Diego to watch the start of the race. There he encounters Gyro Zeppeli, a racer with two steel balls at his waist instead of a gun. Johnny witnesses Gyro using one of his steel balls to unleash a fantastical power, compelling a man to fire his gun at himself during a duel. In the midst of the action, Johnny happens to touch the steel ball and feels a power surging through his legs, allowing him to stand up for the first time in two years. Vowing to find the secret of the steel balls, Johnny decides to compete in the race, and so begins his bizarre adventure across America on the Steel Ball Run.
JoJo no Kimyou na Bouken Part 7: Steel Ball Run was originally presented as an unrelated story to the JoJo series and was serialized in Weekly Shounen Jump magazine as Steel Ball Run from issues #8~47 2004. Serialization then transferred to Ultra Jump magazine from issue May 2005 and the series was officially declared as Part 7 of the JoJo no Kimyou na Bouken series.







