Sugoroku Naked Append Patch from Whitecube
It is available now for just 76 cents US, 86 JPY. If you have purchased the game that is.
http://www.dlsite.com/ecchi-eng/work.../RE204695.html
Oh I forgot there is this game I also got, really good when it comes to enf and humiliation too.
Civilian Justice League 2 from Clymenia
http://www.dlsite.com/ecchi-eng/work.../RE201363.html