http://www.dlsite.com/maniax/work/=/product_id/RJ151776.html

http://www.dlsite.com/maniax/work/=/product_id/RJ182139.html

http://www.dlsite.com/maniax/work/=/product_id/RJ150720.html

http://www.dlsite.com/maniax/work/=/product_id/RJ146982.html

http://www.dlsite.com/maniax/work/=/product_id/RJ172918.html

ゲームとしてならこの辺が面白い
ただ下二つはちょっとエロが弱いな