The story looks to be very interesting, so I have put this on my todo's list. Hopefully someone can translate this into English before I do. I still got a lot to do. Well that being said enjoy!!!!
http://www.dlsite.com/maniax/work/=/product_id/RJ153379.html http://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_079645/ English Translation: https://e-hentai.org/g/1081227/b842d625aa/