If no one else faces that issue, the trouble may be at home instead.
Are your gpu drivers up to date? If not, then update.
Does your computer meet the unity's 32bit system requirements? Time to update hardware, if not.
Have you tried running the games in japanese locale? Might solve the issue.
Is your windows system up to date? Some people tend to postpone those until hell freezes over.
And then finally, do you have full versions of the games?
The demos JSK has out are buggy as hell.
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If none of the above are the source of the issue, then I have no damn clue what could be the cause of the dilemma.
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