Imouto wo Kouen de (Jigyaku Onanie Saseta Ato) Hametaoshitay

[shuji]

This one looks like it'd be right up you guys' alley.
Danekoya Gunekodou (Minatoya Shunsaku) - Imouto wo Kouen de (Jigyaku Onanie Saseta Ato) Hametaoshitayo
http://exhentai.org/g/552150/221dd03531/

51 pages of full color and semitransparent text areas might make cleaning hard but I think it'd be worth it.