Higurashi's best girls. Not sure if/when it is Mion or Shion, comment if you can figure it out. The lucky bastered is probably Keiichi Maebara? Sorry for double page format, but this is how it was released.

DL:
http://www.dlsite.com/maniax/work/=/product_id/RJ113963.html
not on EN Dlsite because the author doesn't care to make money of foreigners, sigh

Mugi:
http://www.doujinshi.org/book/391576/

Circle website:
?

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https://e-hentai.org/bounty.php?search=Higurashi &t=&s=

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Hey, Piotrus. That https://forums.e-hentai.org/index.php?showtopic=21476 link shows "Error 404 Not Found. Not Found. Guru Medita" in both my Firefox and Chrome

Base +9

@Hyoros. It works for me, maybe the forum was down for a few minutes at that time?

Base +53