PLEASE HELP FIND THIS MANGA

please help me if you know ITS A YAOI MANGA, I don't remember the specifics, but I remember at a extra or something, all 3 couples were together or maybe 4 at a party they had a connection to invite each other, and then when to go drinking and well then at a place where all 4 couples sat together and drank together and were saying, "ahah whats funny is that most people in this room is sitting together with someone they know even if they met for the first time."they said to each other that they were like that and they all blushed and stayed in different rooms and had sex. They know they are all the same type i remember one couple was a potter or an architecture was a seme and the other was an uke. SO THATS IT. SO PLEASE HELP ME SENPAIS