http://www.mangago.me/read-manga/saiyaku_wa_boku_o_suki_sugiru/
http://www.mangago.me/read-manga/acid_town/
Not bl, but eather have some great bromance or feature some form of gay character/relationship:
http://www.mangago.me/read-manga/nanbaka/
http://www.mangago.me/read-manga/cool_doji_danshi/
http://www.mangago.me/read-manga/baraou_no_souretsu/
http://www.mangago.me/read-manga/roommate_101/
http://www.mangago.me/read-manga/efforts_never_betray/
http://www.mangago.me/read-manga/why_did_men_stop_wearing_high_heels/
Well, kings maker has its secondary bl but it also has its first hand suspense that you might need! Try reading it :)
anything that has some bl vibes but the whole plot doesn't focus around that. kind of like its secondary. Can be any genre, just something with a good story