school" style sword duel on the beach at sunrise.  This is a reference to the final fight of the Inagakis Samurai  Trilogy from the end of  _Miyamoto Musashi kanketsuhen: kettô Ganryûjima (1956)_ (qv), in  which Toshiro Mifune wins the honor of greatest samurai partially by  taking advantage of the position of the setting sun.