Sorry story is a little long. Tried being a little more descriptive. Hope it’s pleasurable.
My roommate had a big dick. It was at least twice as big as mine in both length and girth. I knew it was big because we had “accidentally” seen each other naked a few times around the apartment. Since we had both seen each other naked he also knew that mine was pretty small.
On weekends we would usually sleep in and watch TV together for most of the day. After a couple years sharing an apartment together we had gotten to the point of sitting around together in just athletic shorts and not really worrying about underwear anymore.
One weekend I noticed him mindlessly rubbing his soft dick through his shorts. Not sure why but that day I couldn’t take my eyes off his dick. Up until this point I had never been sexual with another man. I had used a dildo in my ass before, but had never touched another real cock.