You go up to her parents' bedroom.

You both get up and she leads you by the hand upstairs. As you pass her bedroom you notice that Trish has her own if rather messy double bed, and you wonder why Trish seems so insistent on using her parents' bed. You soon forget about this as you enter her parents' bedroom and the two of you start kissing again, falling onto the bed. Your hand moves slowly up her skirt and starts to rub her through her now slightly damp panties, causing Trish to moan softly through her kisses. She pulls at your wet shirt and you stop for a moment to help her take it off before helping her off with hers before she rolls herself on top of you, her wet hair obscuring both of your faces as she kisses you hungrily, her hands fumbling at your belt.

"Christ," you think, "I've known this girl almost as long as my sister has been friends with her and she has never been like this before..." Trish had always seemed the quiet girl who had never said anything while you had been around, just standing and smiling sweetly while your sister would rabbit on about things. Seeing her now she seemed to be a completely different person, someone who seemed to be in control of the whole situation.

You start to massage her breasts with your hands, rubbing them softly at first, then moving your hands around to unbuckle the bra and throw it to one side and then returning to massaging them. Trish in the meantime has managed to undo your belt and trousers and you feel her delicate hands touch your swollen member, causing it to swell even more. This time though there is no hesitation in her manner as she takes it out and starts to rub it as you bend you head down to her breasts and gently start to kiss her breasts, encircling her nipples at first, then taking them into your mouth and gently sucking them, hearing her gasp softly again.

You roll her over and take down your trousers and fling them to one side, then return to sucking her breasts again, one hand moving down to her panties and slowly pulling them down and off, leaving just her skirt and sandals on. You start to rub her clit again, running a finger down her slit, and she parts her legs as she pulls you towards her, hearing a rip as her skirt tears down the side. Oh well, at least now you won't have to take it off you think to yourself as you climb on top of her with an arm on either side of her head and press the head of your cock against her pussy and feel it slowly enter. She is deliciously tight and incredible wet as you slide your length in, as Trish wraps her legs around your waist as you slowly fill her. She clenches her eyes shut and grimaces as you feel a resistance from what you realize is her virginity. It is quickly gone though and you are soon buried in all the way. Planning on giving her chance to recover, you are startled when it is Trish to start grinding her hips against you, urging you to continue.

Moving in and out slowly at first, but quickly building up speed you start to pound Trish's pussy as she clutches at you, urging you on with each thrust to go faster and harder. Looking down at her face, her black hair still soaked from the rain, you realize that while before she had seemed different, now she looked like a completely different person, wanton lust blazing in her eyes. It was almost terrifying. You realize then that she had intended to have sex with you all night, and that when she freaked out in the car it had only caused her to take advantage once she had recovered to fulfill some kinky fantasy of doing it in her parents' bed.

Bending down to her breasts you start to suck on her nipples again as you thrust your hips back and forth into your sister's friend, feeling the tightness of Trish's pussy grip at you tightly. Her words of encouragement had gotten even more explicit, urging you on with words that would make even a hooker blush...