Mark grinned and stripped off his boxers, his large, erect cock standing proudly as Mark placed the dildo on the groud, his back at his roommate so he could see his tight asshole as he lowered himself onto the dildo, the cock head slowly sliding into Mark's awaiting ass...<br/><br/>"Mmm...", Mark moaned, slowly sinking it into him.<br/><br/>"It feels so warm..."