Looking for Yaoi

Don't know about the hair, but Kyou, Hana No Gotoshi? I think the Uke is something like the next Yakuza heir and the Seme is his bodyguard?

And I think you already know Viewfinder or Totally Captivated - for me THE most famous Yakuza mangas ever!

Yeah, I've read them all. But thanks

Trigger. And basically the rest written by this mangaka.

Mangaka Akira Norikazu.

yakuza+childhoodfriends http://www.mangago.zone/read-manga/tight_rope/
yakuza+childhoodfriends http://www.mangago.zone/read-manga/beast_feast/
yakuza+stepbrothers http://www.mangago.zone/read-manga/gokudou_darling/
yakuza+flowershop http://www.mangago.zone/read-manga/koi_made_hyakurin/
yakuza+cute family members :) http://www.mangago.zone/read-manga/hisho_ikuseichuu/

check out my childhood friend list
http://www.mangago.zone/home/mangalist/8967/

long-haired guys
http://www.mangago.zone/read-manga/crimson_spell/
http://www.mangago.zone/read-manga/koisuru_boukun/
http://www.mangago.zone/read-manga/jappa_no_amane/
http://www.mangago.zone/read-manga/wild_rock/
http://www.mangago.zone/read-manga/kanga_na_spoon/
http://www.mangago.zone/read-manga/meikon/
http://www.mangago.zone/read-manga/taiyou_no_kikoushi/
http://www.mangago.zone/read-manga/best_ending/
http://www.mangago.zone/read-manga/april_4/
http://www.mangago.zone/read-manga/hima_na_no_de_hajimete_mimasu/
http://www.mangago.zone/read-manga/dia_game/
http://www.mangago.zone/read-manga/hanazono_no_kioku/
http://www.mangago.zone/read-manga/akuma_to_issho/
http://www.mangago.zone/read-manga/momoiro_tengu/
http://www.mangago.zone/read-manga/hua_hua_you_long/
http://www.mangago.zone/read-manga/takaramono_wa_hako_no_naka/
http://www.mangago.zone/read-manga/under_grand_hotel/
http://www.mangago.zone/read-manga/rakuen_no_ori/
http://www.mangago.zone/read-manga/feng_yu_jiu_tian/

Yakuza - SAEZURU TORI WA HABITAKANAI