Meitantei Holmes: M-Kara no Chousenjou

At the password screen, press Right 3 times and enter the Japanese character. Press Right 6 times, Down 3 times and enter the Japanese character. Press Right 4 times, Up 3 times and enter the Japanese character. Press Down 3 times, Left 1 time and enter the Japanese character. Press Left 3 times and enter the Japanese character. Press Left 1 time, Down 1 time and enter the Japanese character. Press Left 2 times and enter the Japanese character. Press Up 4 times, Right 1 time and enter the Japanese character. Press Left 6 times, Down 3 times and enter the Japanese character. Press Up 3 times, Right 1 time and enter the Japanese character. Press Down 1 time, Right 6 times and enter the Japanese character. Now hit End and you'll get to watch the ending.