The first two chapters of this story are under samchandler.
https://www.literotica.com/stories/memberpage.php?uid=1353643&page=submissions
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Charlie, my gay roommate, and I, uncertain but probably bi-, continued to have oral sex pretty frequently. Here was someone, and a friend, who wanted to have my dick in his mouth and I certainly enjoyed it there. Charlie was only about 5-7, thin and a bit feminine, but his erection was big and I could only get the head in my mouth. I learned from him to firmly hold the bottom of his shaft and run my tongue under the head and around his swollen knob. I flicked my tongue down his shaft and back up where I took his helmet into my mouth. Jacking him lightly with one hand, sucking his head, tonguing him, I soon tasted pre-cum and a few moments later he came filling my mouth with his cum. Some dribbled past my lips but most I swallowed salty and musky. Whenever we came from a blow job, we would kiss pushing cum back and forth in our mouths. It seemed like this was the most intimate part of out love making.
A few days ago, late at night with the door to our dorm room locked, we were in his bed. We were naked and facing each other. I bent my head and ran my tongue over his nipple. Charlie's nipples were small and light colored but in my mouth I felt his swell and the tip harden. I fondled his erection at the same time and he let out a low moan. I kissed down his stomach.
And then I did something that late surprised me. I ran a finger tip down over his testicles and then further to his anus. I had never had this done to me, never knew that this felt really good. I found the pucker of his hole and caressed it with my finger tip. I pushed my finger in. It easily went to my second knuckle. When I rotated my finger against his sphincter, I heard a grunt.
"That's what I wanted."