You should really just leave your computer in Japanese locale if you play h-games. Many of them, especially these kirikiri games, don't always work with applocale.
Use kikiriki from the insani tools. It'll break the encryption, but unfortunately there's no way to re-encrypt the files for an easy patch. Same as the first game. If you have my patch from the first game, it includes kikiriki.
Sigmazx, here are the extra uploads of the game you needed;
Game Links:
Part 1.
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Part 2.
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CG File Link:
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I placed them into separate folders, then zipped them because the upload site sulks if they are not zipped the way it likes. Simply unzip both parts, place them into one folder and then extract and start as normal. I have also uploaded the cg file supplied as well, if you edit your first post you can add them to it. You can also find these on my Visitors Messages page.
Use the command line.
kikiriki.exe -i data.xp3 -o data
Initial patch out, crossing my fingers I didn't screw it up. Not much playtesting...
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