Characters in story are over 18, story not based on real events.
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Characters:
Stephanie -- "Steph" for short the twin sister to Joseph. Forward, stubborn, headstrong she finds herself thinking about her twin brother sexually as she progresses through high school.
Joseph -- "Josh" for short, the twin brother to Stephanie. He begins thinking about his sister sexually and as much as he resents her he finds himself thinking about an opportunity to make her his constantly.
Prologue:
Stephanie never thought that getting banged in the library could be so exhilarating. She could barely catch her breath as her twin brother pounded her into the bookshelf from behind, and as she gasped for air behind her covered mouth Joseph continued to ram his thick cock into her dripping cunt. The sound of him pounding her hips, the feel of sweat and juices running down her legs, drenched her thoughts of sex endlessly. He then pulled her leg into the air and drove ever deeper into her.
"Josh", she quietly cried, "Not so hard, we can't be caught... please quiet down, or wait until we get home... I can't be seen like this, not with... Ahhh... not with my brother!"
Ignorant of her plea he dropped her leg and pulled her arms back, relentlessly ramming harder into her, driving himself to ejaculation.
"Please... not without a condom, you can't cum in me. Do you hear me, you damn idiot. Do you know what will happen... mmhm... if you... if you cum in me!"
He thrust hard into her and as his hot milk poured into her she became consumed in ecstasy. She thrust her hips into his, thoroughly relishing the feeling of his hard cock pumping cum deep inside her soaking pussy. He pulled her arms tighter towards him bringing her head back for a kiss.
"Joseph, you jerk... mmhm...don't you dare stop cumming..."
As the dream faded Stephanie sat upright in bed, her pajama pants completely soiled.
"Damn... damn,damn,damn,damn,DAMNIT!"
"What the fuck brain?! With my brother? That's how we're doing wet dreams now, really what the fuck, why? Why... did that feel so fucking good, holy shit."
Chapter 1 -- Why so infatuated?