I just love it if there are two male protagonists, so I thought I'd create a list ^^ Those manga do NOT include Yaoi, but Bromance or some light Shounen Ai may be possible. Also, some manga include one "real" protagonist plus very important secondary characters. Please enjoy <3
Check out part 2 of this list ;)
http://www.mangago.me/home/mangalist/150233/
Isekai BL
Reincarnation, Transmigration
Reincarnated in Another World
Reincarnated in a Game World
Reincarnated in a Book World
Transported to Another World
Reincarnated Lover
Multiple Reincarnation
Reincarnated in the Past
Time Travel
Time Rewind
Part 2:https://www.mangago.me/home/mangalist/3123306/
Isekai, the usual transmigration, reincarnation, time travel etc. except, you know, it's gay