No, there was no indication of their ambition towards Hawaii prior to WWII. In 1871, the Kingdom of Hawaii and Japan signed a bilateral trade agreement. Japan attacked Pearl Harbor simply because the U.S. Pacific Fleet was parked there. By all accounts, the Japanese people are now in love with Hawaii and Native Hawaiian culture. Many Kumu hula have hula halau in Japan, and it is estimated that there are more hula dancers in Japan than there are in Hawaii.