An eroge illustrated by Gentle Sasaki, titled "姦染 ～淫欲の連鎖～", later developed (by Suzuki Mirano) into an anime titled "感染 ～淫欲の連鎖～" (The first kanji is different, but the titles are read the same way.).
External links
Official site: http://www.sp-janis.com/soft/infection.shtml (Dead link)
