hi, can someone recommend to me a yaoi manga where the seme in a yankee o in a gang or tha...

Finder (that is a given)

You can also find from tag list of yakuza,/mafia.

thanks (=・ω・=)

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

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

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

thank u so much(づ￣ ³￣)づ