Have you tried the 'special' command at the start menu? I got mine on an emulator and I also got Suikogaiden (got them and played them at the same time so I can't remember which has the Japanesse words in the starting, one is in english on the main menu)..if its the Japanesse starting then try the 4th command or just screw around until you delete it.
"The duel with Genkaku.... It continues here....."
"This is your final test... Can you win this time, Riou?"