I asked a friend in Japan. She found the same information, so

If, by any chance, something arises, she will tell me. And then I will tell you.

Sorry about resurrecting this dead thread. I stumbled across some yootoobers who have compiled "best scenes" from HnG into collected playlists. Got me all nostalgic and I started looking back through the online HnG discourse. Then I dug out my dusty manga collection to re-read HnG yet again.