Responses
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Has to be one of these! Hope someone helps
http://www.mangago.zone/tag/Matchmaking/
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I think it might be this one!
http://www.mangago.zone/read-manga/mujaki_na_wanko_to_nekokaburi/
The spin-off had the friend with the younger police officer
It's a BL about two guys who go to a matchmaking session and end up choosing each other, MC's friend was the organizer (I think there was a spin-off where he also got a boyfriend might be wrong tho)