Ryo Tachibana, the strongest man who reigns as the 8th generation head of Zebra, [bosozoku{Japanese youth subculture associated with customized motorcycles}](https://en.wikipedia.org/wiki/B%C5%8Ds%C5%8Dzoku) team consisting of a total of 2000 members. A yankee story about dark past, frustration, friendship, and dreams.