Got a couple books off my list to scan, so maybe we will start with this one. Nilitsu always stand out with his kinda nice art style in my book, however this one is quite old doujinshi, keep that in mind, yet it's still quite nice imo. It could be worse : futa, so I mildly complain.
More info : https://www.doujinshi.org/book/127076/About18cm-3rd/ http://www.suruga-ya.jp/product/detail/ZHOI19239 http://www.toranoana.jp/mailorder/article/04/0010/10/28/040010102854.html