Identify Looking for a Doujin Game or CG Collection of Tachibana Kyouka Mama

[bswh]

Hello, I really like Tachibana Kyouka Mama, so I would like to know which Doujin Game or CG Collection it is.

I only found these two links. This link seems to be

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but already deleted. This is

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but also useable. I can't find any more information, perhaps I have found the wrong author.

This is the picture.

 

[Chiaku]

any updates on this?