Responses
ongoing:
http://www.mangago.me/read-manga/make_me_bark/
http://www.mangago.me/read-manga/oko_sama_star/ (not really bdsm but seme is sadistic)
complete:
http://www.mangago.me/read-manga/junai_caricature/
http://www.mangago.me/read-manga/5_seconds/
Any good yaoi bdsm