At the password screen, press Up 1 time, Right 6 times and enter the Japanese character. Down 1 time, Right 4 times and enter the Japanese character. Left 5 times, Down 1 time and enter the Japanese character 2 times. Right 5 times, Down 1 time and enter the Japanese character. Right 5 times, Down 2 times and enter the Japanese character. Down 1 time and enter the Japanese character.