I think it's a novel called "Esu", youo can find it here on mangago http://www.mangago.me/read-manga/esu/
I think it's this novel
http://www.mangago.me/read-manga/esu/
It's a really good book, though. Give it a try.
Please someone recommend me yaoi manga where is violate love and rape .... Yah I'm little pervert sooo please now that m so bored an want some one good manga....
http://www.mangago.me/read-manga/mob_for_jack/
http://www.mangago.me/read-manga/kinbaku/
http://www.mangago.me/read-manga/midnight_dog_show/
there's no love here, but it's just right for perverts xD
http://www.mangago.me/read-manga/caste_heaven/
http://www.mangago.me/read-manga/yami_bl/ (last chapter - just what you described)
http://www.mangago.me/read-manga/giglio/
http://www.mangago.me/read-manga/dark_road/
-"Devil's Thoroughbred" ( http://www.mangago.me/read-manga/devil_s_thoroughbred/ )
-"Sono Kuchibiru ni Yoru no Tsuyu" ( http://www.mangago.me/read-manga/sono_kuchibiru_ni_yoru_no_tsuyu/ )
-"Itoshii, To Iu Koto" ( http://www.mangago.me/read-manga/itoshii_to_iu_koto/ ) * the last story, chapter 6
hope you haven't read them already :)
You can try Tavi's excellent list -
http://www.mangago.me/home/mangalist/6901/
OR
If you just want something perverted -
http://www.mangago.me/home/mangalist/26617/
It looks like one of the chapters from Umezawa Hana's sex school series, Ai to Yokubou wa Gakuen de [ http://www.mangago.me/read-manga/ai_to_yokubou_wa_gakuen_de/ ], although I wouldn't have the faintest idea which one. If not, it's the same mangaka.
illustration by Nangoku Banana
Here are one of her manga Reji(๑•ㅂ•)و✧
http://www.mangago.me/read-manga/canvas_ni_kuchizuke_o/
http://www.mangago.me/read-manga/hara_peko_mitsuba_chinko/
ohh check this out too xD teehee(≧∀≦)
Ur welcome (づ ̄ ³ ̄)づ
http://www.mangago.me/read-manga/ai_no_houritsu/an/ai-no-houritsu-chapter-7.5%20Sidestory.html/49/
http://www.mangago.me/read-manga/urakatana_kami_no_ki/