i forgot the name of the manga and it was about a bartender uke (i'm pretty sure he was a bartender) who was a virgin. he's a "seme" at first and tries to sleep with this guy but this other guys swoops him away and makes him an uke.

Any one of these?
[url]http://www.mangaupdates.com/series.html?category=Virgin%252Fs_Bartender%252Fs&genre=Yaoi&filter=some_releases&perpage=50[/url]