Any Yaoi with the partner being a Masochist or sadist? too lazy to search rn, sorry ;;

you will find plenty here http://www.mangago.me/home/mangalist/290560/

just look over my personal tags. (ctrl+f something)they are reviewed and chosen properly http://www.mangago.me/people/tag/49344/sadistic+seme/
http://www.mangago.me/people/tag/49344/Masochistic+uke/

http://www.mangago.me/read-manga/yoru_wa_tomodachi/ well this is the true description of a masochist...(prolly not what u r looking for but anyway, i really like the story)