Spit Roasted by BF and Straight Roommate Pt 1

His cock explodes with semen inside me and fills my little twink butt while I keep riding him and beating my dick. His spunk leaks between his cock and my asshole, getting tangled in his trimmed furry crotch.
*****
It’s was Monday and Sting woke up early to go to work. In the apartment it was just me (Natsu) and Pablo, Sting’s flat mate and lifelong friend.
I laid naked on the bed, lazy and horny. I wondered what was Pablo doing. Yesterday evening he came back from a weekend out rock climbing, we heard him from Sting’s room. As usual he dumped his stuff in the entrance, peed and brushed his teeth to immediately after crash on his bed.
I woke up, put on my yesterday’s underwear and disposed to go to the bathroom. When I opened the door I found the handsome Pablo, with just a loose sport short pants that did nothing to hide his morning glory. Very sleepy, almost a zombie (usual Pablo in the morning) said “morning Natsu, I’m done, bathroom’s yours. If you need me I’ll be in my room wiggling my junk.”
“Single’s morning wank? Kind of sad.” – I replied a bit too daring.
“Single’s doom.” – he answered.
“I can help you with that.” – I replied, probably crossing a red line.
“Haha, you crazy Natsu.” – He replied back, with his playful tone that always teased me.
“Now really, let me help you. Best wank ever, warranted.” – I said serious. I was going all in. Pablo was a walking temptation for me, sleeping just a couple meters away from me when I stayed the night with Sting. Sometimes when we fucked, I thought in him. I had to try him.
Pablo looked at me, “is he serious?” he wondered. We knew each other, but that was maybe too much....