Enter the following password at the SAVED GAME screen...
(NOTE: The characters between the [ ] are the highlighted characters.)
At the password screen, enter the number 6. Press Right 6 times, Down 1 time and enter the Japanese character. Down 3 times, Left 3 times and enter the Japanese character. Enter the number 1040. Right 10 times, Down 1 time and enter the Japanese character. Enter the number 440. Left 8 times, Down 1 time and enter the Japanese character. Enter the number 560. Left 6 times, Down 1 time and enter the Japanese character. Enter 610M3. Enter Yen symbol. Enter 44. Down 3 times, Right 1 time and enter the Japanese character. Right 3 times, Up 1 time and enter the Japanese character. Left 5 times, Down 1 time and enter the Japanese character. Left 2 times, Up 1 time and enter the Japanese character. Right 8 times and enter the Japanese character. Right 6 times, Up 2 times and enter the Japanese character. Enter R. Enter Yen symbol. Enter the number 2. Left 3 times and enter the Japanese character. Enter Yen symbol. Enter 2G. Up 4 times, Right 6 times and enter the Japanese character. Left 8 times, Down 2 times and enter the Japanese character. Up 2 times, Right 4 times and enter the Japanese character. Enter the number 0. Left 8 times, Down 1 time and enter the Japanese character. Enter the number 1. Press Start.
When you complete the game, after the ending credits, while the "SOFEL" logo is displayed, press Left + A on Controller 1. You'll get the final password to your ending.