I read the comments and played the game again. Code Putter 2.0 -> When I pressed H31P1, there was a symptom that the process did not proceed normally (if I force Powerpoint to move to the next page, it works)
Sorry for the very late reply. I tried downloading it again, but even though I can see the bad ending, I'm not sure how to see the good ending. (I checked all the links with the Power Point editor, but I couldn't figure it out.)