http://www.mangago.zone/read-manga/komatta_toki_ni_wa_hoshi_ni_kike/
Have you read this is not bromance but close enough
It hints to their relationship
i recommend everything here. you should totally read them! they are usually the ones who have a great story, some are into adventure even and all of them have awesome beautiful art! http://www.mangago.zone/people/tag/49344/BL+undertones/
http://www.mangago.zone/home/mangalist/35626/
I mentioned the ones having bromance in the review notes.
I want to read a light shounen ai manga, bromance with a lot of hints maybe. Lol xD
Like no 6, hinatama etc. Any sugestion? Thankyou (づ ̄ ³ ̄)づ