https://www.mangago.me/read-manga/gyangu_no_kai_kata/ think this counts
straight
https://www.mangago.me/read-manga/mangaka_to_yakuza/
https://www.mangago.me/read-manga/tokyo_crazy_paradise/
https://www.mangago.me/read-manga/gokutsuma_days_gokudou_sankyoudai_ni_semaretemasu/
https://www.mangago.me/read-manga/wild_ones/
https://www.mangago.me/read-manga/yakuza_to_me_tsuki_no_warui_on_na_keiji_no_hanashi/
BL
https://www.mangago.me/read-manga/beast_feast/
https://www.mangago.me/read-manga/kozure_omega_to_boukun_yakuza/
https://www.mangago.me/read-manga/honto_yajuu/
https://www.mangago.me/read-manga/monetary_love/
https://www.mangago.me/read-manga/yakuza_wo_shibatte_ii_desu_ka/
https://www.mangago.me/read-manga/okane_ga_nai/ uke looks like a kid but is noy
https://www.mangago.me/read-manga/a_thousand_cranes/
https://www.mangago.me/read-manga/gokudou_darling/
Any recommendations of straight romance or bl with mafia man × normal citizen? Only manga pls