yaoi where sème is yakuza/ mafia

Yakuza seme
http://www.mangago.me/read-manga/cover_up/?TFVi
http://www.mangago.me/read-manga/yakuza_wo_shibatte_ii_desu_ka/
http://www.mangago.me/read-manga/abarenbo_honey/
http://www.mangago.me/read-manga/monetary_love/
http://www.mangago.me/read-manga/when_the_yakuza_falls_inlove/
http://www.mangago.me/read-manga/bakana_inuhodo_itooshii/
http://www.mangago.me/read-manga/tasuketa_yakuza_ni_nerawaretemasu/
http://www.mangago.me/read-manga/daiji_ni_suru_kara_tabete_ii/
http://www.mangago.me/read-manga/legs_which_cannot_walk/?hW2C
http://www.mangago.me/read-manga/aka_to_kuro_katsura_komachi/
http://www.mangago.me/read-manga/a_thousand_cranes/
http://www.mangago.me/read-manga/dangerous_convenience_store/
http://www.mangago.me/read-manga/naked_sword_and_tree_peony_of_black/
http://www.mangago.me/read-manga/kobi_no_kyoujin/
http://www.mangago.me/read-manga/you_re_my_loveprize_in_viewfinder/

Finder and u can mostly see alot of those bls in the tags just search yakuza seme

how do i do that

http://www.mangago.me/tag/Yakuza%20seme/Here :))

thank you