His room-mate having sex.

Mark stood in a state of shock as he saw the back of a brunette riding a guy laying down on one of two beds.

"Oh my god, I'm so sorry!!" Mark exclaimed while turning to face the opposite direction.

He heard a squeal from the girl and a reply from the guy who was extremely frustrated to be interrupted mid-fuck.

"What the fuck man! Who are you, how did you get in here???" exclaimed the guy.

Mark didn't know whether to turn around and reply or just stay facing the wall. He turned his face slightly to see that the two were now covered under a single bed sheet.

"I..uhh, I..I'm meant to be living here... Room 108, I'm Mark," he replied back not looking either of the two in the eye.

The guy stared back at Mark before realising that he was in the wrong to yell at him.

"Uh yeah, fuck. Forgot I was meant to have a room-mate, I'm Matt," he said while picking up a pair of boxers next to the bed to slide on.

"It's fine... I uh can leave... Let you guys finish.." replied Mark who was still embarrassed to interrupt.

"Nah man, it's cool, I can catch up with Cassidy later," said Matt.

Mark glanced over again to catch Cassidy doing up her black bra, the young brunette caught him glancing and gave him a slight wink before she chucked a baggy t-shirt over the top of her bra. He looked on enviously, now starting to regret not trying to have a better look at her naked body when he walked inside. All he got was a glance at her bareback and a small bit of side boob.

After Cassidy had finished dressing, she left leaving the two guys to get to know each other. This was Matt's second semester here at college so he had a pretty good idea of the in's and out's of the East Hall and the rest of campus.

Mark felt quite at ease with Matt, the one thing he was happy to hear is all of the gossip about the other girls in the East Hall. There was, of course, Cassidy, a girl that had certainly gotten around but was now known as Matt’s personal little fuck buddy. There was Tiffany, the female RA of the East Hall who was gorgeous as hell but very hard to meet her standards. Miranda, a blonde bombshell that's hard to miss due to having one of the best racks on campus. There was also Jess, the biggest cock tease on campus who had every man's eyes on her no matter where she went.

Matt continued for an hour giving Mark the goss on all the other women. Mark went to bed that night quite excited about the possibilities ahead of him.