At the password screen, press Down 2 times, Right 1 time and enter the Japanese character. Down 2 times, Right 7 times and enter the Japanese character. Left 7 times, Up 1 time and enter the Japanese character. Right 5 times and enter the Japanese character. Down 1 time, Right 2 times and enter the Japanese character. Left 8 times, Up 1 time and enter the Japanese character. Up 3 times and enter the Japanese character. Left 1 time, Down 3 times and enter the Japanese character.