Here you go:
(its very good, they start off hostile but start caring abt each other a lot, seme would do anything for uke) http://www.mangago.zone/read-manga/gyangu_no_kai_kata/
(prostitution, reunion) http://www.mangago.zone/read-manga/atokata/
(isekai) http://www.mangago.zone/read-manga/isekai_yakuza_mofumofu_no_taizaiki/
(omegaverse) http://www.mangago.zone/read-manga/lion_and_venus/
(childhood friends) http://www.mangago.zone/read-manga/tract_porn/
(tattoo, cold seme) http://www.mangago.zone/read-manga/cover_up/?ewoZ
(military, childhood friends, reunion) http://www.mangago.zone/read-manga/mitsumei/
(reunion, puppy seme x cold uke) http://www.mangago.zone/read-manga/the_other_men/
(puppy seme x manly uke, rape) http://www.mangago.zone/read-manga/yonin_no_nibiiro/
(psychological, tragedy) http://www.mangago.zone/read-manga/nigatsu_no_eden/
(age gap, popular seme x cold uke) http://www.mangago.zone/read-manga/houtou_musuko_to_sewagakari/
(police officer x mafia guy) http://www.mangago.zone/read-manga/your_devotion_is_my_salvation/
(historical, i love this one, cold seme x cold uke, seme would do anything for uke) http://www.mangago.zone/read-manga/max_mojave_s_case/
Omg thank you so much ლ(´ڡ`ლ)
Can someone recommend me some mafia yaoi plsss ヾ(☆▽☆)