Yaoi in which the uke is in extreme danger or something like that

http://www.mangago.zone/read-manga/okane_ga_nai/

http://www.mangago.zone/read-manga/wild_fangs//

http://www.mangago.zone/read-manga/honto_yajuu/ shit goes down a couple times
http://www.mangago.zone/read-manga/the_4th_guard/ shit goes down
http://www.mangago.zone/read-manga/beast_feast/ cop and yakuza
http://www.mangago.zone/read-manga/tight_rope/ yakuza
http://www.mangago.zone/read-manga/hyakujitsu_no_bara/ military
http://www.mangago.zone/read-manga/koujitsuei_no_tobira/
http://www.mangago.zone/read-manga/silence_akiyama_koito/ yakuza?
http://www.mangago.zone/read-manga/bi_no_isu/ and sequel yakuza
http://www.mangago.zone/read-manga/ikoku_irokoi_romantan/ yakuza
http://www.mangago.zone/read-manga/under_grand_hotel/ prison
http://www.mangago.zone/read-manga/rakuen_no_ori/ plus I'm half afraid semes gonna kill him....
http://www.mangago.zone/read-manga/mezase_hero/ police loved this one
http://www.mangago.zone/read-manga/fake/ police
http://www.mangago.zone/read-manga/my_life_with_you/
http://www.mangago.zone/read-manga/sex_pistols/ supernatural
http://www.mangago.zone/read-manga/daydream_nightmare/ whole plot plus it's funny
http://www.mangago.zone/read-manga/kohitsuji_project/ again it's 3/4 of the plot
http://www.mangago.zone/read-manga/mori_no_animal_company/ several couples
http://www.mangago.zone/read-manga/konya_mo_nemurenai/

Also the supernatural, yakuza, and cop lists probably have more

My Queen!!
http://www.mangago.zone/home/mangalist/484/