
The only two I can think of:
http://www.mangago.zone/read-manga/sadistic_madness/
http://www.mangago.zone/read-manga/ai_subeki_sadist/

http://www.mangago.zone/read-manga/m_nano_baka_nano_hentai_nano/
The seme is a masochist but the uke is neutral

Here you are!
Some bondage too: http://www.mangago.zone/read-manga/yakuza_wo_shibatte_ii_desu_ka/
I think this might be right up your alley, military, bondage as well: http://www.mangago.zone/read-manga/ronald_no_yabou/
The only comment on this one I had was a thumbs up emoji: http://www.mangago.zone/read-manga/iresasete_kudasai/
Does anyone have any good recs for sadist ukes and Masochistic seme's? thanks <3