I sucked off my sister's boyfriend while she was cramming in the next room.
We lived in a small apartment in the suburbs of Chicago. Emily, my older sister, was preparing for her final biology exam in college. She had locked herself in her room for the third hour already, and I, Laura, a 22-year-old student, was sitting in the kitchen bored out of my mind. Her boyfriend, Jake tall, muscular American with tattoos on his arms and that cocky smile had come over to "support" her. In reality, he was just hanging out in the living room, scrolling through his phone, while Emily muttered behind the wall.
— Fuck, I'm losing my mind from this silence, he whispered when I walked past him into the kitchen for some water.
I stopped. Jake was sitting on the couch, legs spread wide, in gray sweatpants where a thick bulge was clearly visible. He looked at me in a way he never had before. Not like his girlfriend's little sister. But like a girl who could give him what Emily couldn't right now.
— Is she gonna be studying much longer? — I asked quietly, stepping closer.
— At least an hour. She said not to bother her.
I stood right in front of him. My heart was pounding. I knew this was so fucking wrong. But that only turned me on more.
— Then I'll entertain you a little, I whispered and dropped to my knees between his legs.
Jake didn't argue. He just leaned back, put his hand on my head, and pressed lightly. I pulled down his pants and boxers together. His cock sprang out thick, veiny, already hard and wet at the tip. Just like from porn: big, heavy, smelling of male sweat and a light cologne.
I took him deep into my mouth right away. No teasing. I ran my tongue along the entire length, feeling him throb inside me. Jake groaned softly and tightened his fingers in my hair.
— Fuck, Laura… you serious?
I answered by taking him even deeper, all the way to my throat. Saliva dripped down my chin, onto his balls. I sucked greedily, fast, like a hungry slut. His head slammed against my tonsils, and I just pressed my nose harder against his stomach. Jake started fucking my mouth lightly, thrusting his hips up.
— Quiet… I whispered, pulling off for a second to catch my breath. — Emily will hear.
But I kept going faster, wetter, dirtier. I massaged his balls with one hand and jerked the base with the other while my mouth worked the head. Jake was breathing hard now, whispering "shit, shit, shit" and looking down at me with eyes full of pure animal lust.
— I'm gonna cum… — he breathed.
I didn't pull away. Instead, I took him as deep as possible and started swallowing when he exploded. Hot, thick cum shot down my throat in powerful spurts. I swallowed every drop, not spilling a single one. I licked him clean from the head to his balls while he trembled and cursed quietly.
Then I stood up, wiped my lips with the back of my hand, and smiled.
— Now you can go tell her you "supported" her morally.
Jake stared at me, still breathing heavily, with a look like he'd just realized his girlfriend wasn't the only one in this house who could suck dick so good it made your brain melt.
And from Emily's room came her quiet muttering:
— Mitochondria… ribosomes…
I licked my lips and went to my room. The taste of his cum was still in my mouth.
And I fucking loved it.
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This is a fictional story.