Not dry orgasms, but these have an M and a not-really-S
http://www.mangago.zone/read-manga/osananajimi_ga_do_m_de_tsundere_nan_desu_ga/
-"huuuuge M" but the scenes werent as BDSM-y as I thought they would be
http://www.mangago.zone/read-manga/motto_musunde_aite_waya/
-subordinate liked his boss/coworker(?) for a while now. Boss/coworker always gets dumped bc he's an M, so he decides to try and train the subordinate
http://www.mangago.zone/read-manga/yoru_wa_tomodachi/
Forgot another one. Got this at a thread I asked somewhere before
Dry orgasm recommendations? Exact chapters or lists are ok!