Masami is a guitarist who dreams of his band “Rhythm Head” winning the Grand Prix at the Japan Music Carnival. History, and the warlords of 16th century feudal Japan are the very last thing on his mind. But when Rhythm Head are performing in Nagoya, a mysterious lightning strike causes not only a power blackout, but also a “time slip”, in which two of Japan’s preeminent samurai-era figures, Nobunaga Oda and Hideyoshi Toyotomi are transported to present day Japan. To Rhythm Head’s manager, the du...