Responses
Pandora Hearts!!!
http://www.mangago.zone/read-manga/pandora_hearts/
The 2 boys have the most amazing friendship ever, and they're gorgeous :')
I recommend this!
http://www.mangago.zone/read-manga/xxxholic/
Its amazing to see how they become best friends.
Try this list (not mine) it might be useful http://www.mangago.zone/home/mangalist/124687/ (mangas with two male leads - hence generally with friendships between the two)
I recently gotten hooked with hunter x hunter and now I'm in desperate need of more stories where there's 2 boys that share an amazing friendship together.