Responses
http://www.mangago.me/read-manga/you_re_my_loveprize_in_viewfinder/
http://www.mangago.me/read-manga/kuroneko_kareshi_no_asobikata/
http://www.mangago.me/read-manga/leopard_hakusho/
http://www.mangago.me/read-manga/kichiku_encount/
http://www.mangago.me/read-manga/crimson_spell/
http://www.mangago.me/read-manga/batsu_game/
Yaoi mangas where the uke was forced to have sex/sell his body, and gets addicted to it.