I think it was part of a collection, it's only 1 chapter.

Basically the beginning is that the two guys are in high school, they confessed, and they quickly go through phase A all the way to C. All this in the span of a couple of pages.
Time skip and they're adults (though they haven't changed much) and the uke answers a call from one of they're friends to go drinking. Both get there separately but the seme gets jealous because their friends get too close to the uke.
Then they go home and do it. The end shows the uke answering another call from their friends again, hickies all over him from the night before, and accepts to go on a goukon in anticipation of what the seme will do to punish him.

Obviously possessive lover should be a tag, but it borders almost on obsessive love though I've yet to find the manga.
I think the drawings were pretty good. Please help?

Moved to Yaoi/Yuri.

Oh sorry, I thought it fell under looking for a manga >.<;;

Is it Kaihatsu Muramura Mode chap 4?

YES thank you so much!
I feel like I just looked it over when I was searching for it XPP