My 13 year older brother is 2 years younger then me and always asking about sex. I told him he should try sucking my cock, and after much negotiation it was agreed that he would suck me to completion and then he would have 10 minutes to fuck me in the ass. So I strip off and sit on the edge of the bed and she gets between my knees and gives me an amazing blowjob. The kid was a born cocksucker, and I felt my balls tighten and soon shot a huge load in his mouth which he spit out and said it tasted disgusting. So I laid face down on the bed and he starts taking off his pants. I tell him to use some lube so he spread a big dollops of moms hand cream on my asshole, it felt cold. I looked around just as his underwear comes off and I cant believe what I am seeing, his cock was porn start huge. Easily 12 inches and fat and not the little boy cock I had been expecting. Before I could do anything he is on me and pushes this monster hard up my shit hole in about 2 strokes. Dam I was seeing stars the pain was so bad, then he starts shoving in and out hard, and I feel his balls touching mine so I knew he was in to the hilt. Surprisingly it started feeling good and soon I was moaning as he fucked me and His dick started to swell and I knew he was close, so I said, don't cum in me, but he didn't stop and soon I felt at least 10 pulses of his cum inside my ass, and as he came, so did I shooting a big load on his bed. I was panting underneath him, when I feel this warm sensation. He was pissing in my asshole. It actually felt good, but also humiliating. After that he pulled his shit covered cock out and I ran to the bathroom to take a big shit of piss cum and shit, He had given me a piss enema. I got dressed and my ass was sore for 3 days, and we haven't spoke of this again, but I find myself dreaming of being his slave and letting him fuck me over and over. Previous to this I never had a gay thought.