anybody know what yaoi manga is this plz help!!

I think it's one of these by Kanai kei

Try this one then check out the others. I can't remember which one
http://www.mangago.me/read-manga/kyouju_to_shitsuji_no_shizuka_na_seikatsu/

First few pages of each chapter are 48 Japanese Sex Positions [Shijuu Hatte - the japanese version of the Kama Sutra.] illustrated by various mangaka on Dangerous Pleasure's 8th Anniversary.