Responses
Is it this one?
http://www.mangago.zone/read-manga/kekkon_suru_kamoshirenai_otoko/
If not, maybe this...
http://www.mangago.zone/read-manga/mujaki_na_wanko_to_nekokaburi/
I can't remember the premise but I know it starts off with one of the guys going to a speed dating at a gay bar and he meets the guy who he instantly hits it off with and it turns out that him and the other guy are the only ones who paired up