One and Only Cock

Your big stepSister needs one more A to get her scholarship. Her professor says it’s too late now that the semester is almost over but, as she’s desperate, he offers her a deal - he wants to have sex with her as he never gets laid. She agrees immediately and decides to let you watch. You pretend to be appalled by her behaviour but she already knows that you’ve been sneaking around to watch her have sex in the past. When the professor arrives, he’s being very picky and annoys both of you. Your stepSis is unimpressed with how tiny his dick is and how lousy he is at fucking. She doesn’t pay attention to him at all and, instead, she talks to you. She teases you about getting hard for her and wants you to stroke your cock. You lean in and you kiss. She completely falls for how big you are and, when the professor blows the tiniest load, she jerks you off. She worships your huge cock and, unable to take more of this, she tells you to cum inside her. You lay down and cuddle excited for what your future holds.

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