http://www.dlsite.com/maniax/work/=/product_id/RJ179761
http://eest.x.fc2.com/youbaku.html

GIFs are converted from original WMV files. The resolution and framerate of these GIFs had to be greatly reduced to meet the 10MB file size limit. The torrent however contains the high-res originals and it is recommended to download the torrent.

Getchu - http://www.getchu.com/soft.phtml?id=918290

Erogamescape - https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/before_game.php?game=23902

DMM - http://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_097807/

DMM - http://www.dmm.co.jp/mono/doujin/-/detail/=/cid=d_aisoft3928/

Melonbooks - https://www.melonbooks.co.jp/detail/detail.php?product_id=173942

Toranoana - https://www.toranoana.jp/mailorder/article/04/0030/44/00/040030440040.html

Doujinshi.org - http://www.doujinshi.org/book/923134/

Doujinshi.org - http://www.doujinshi.org/book/923381/

Circle Blog entry - http://b.dlsite.net/RG30385/archives/1058814156.html

Artist - Hirosaki Yuui (広崎悠意)

Circle - Circle Urapirochaki (サークル 裏ぴろちゃき) (サークルウラピロチャキ)

Circle Urapirochaki Blog - http://b.dlsite.net/RG30385/

Base +40